4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S5 – 1 [Lihat halaman sebelah Kertas soalan ini mengandungi 8 halaman bercetak. SIJIL PELAJARAN MALAYSIA 2023 KIMIA 4541/1 Kertas 1 11 4 jam Satu jam lima belas minit 1. Kertas soalan ini adalah dalam dwibahasa. 2. Soalan dalam bahasa Melayu mendahului soalan yang sepadan dalam bahasa Inggeris. MAKLUMAT UNTUK CALON INFORMATION FOR CANDIDATES 1. Kertas soalan ini mengandungi 40 soalan. This question paper consists of 40 questions. 2. Jawab semua soalan. Answer all questions. 3. Setiap soalan diikuti oleh sama ada tiga atau empat pilihan jawapan. Pilih satu jawapan terbaik bagi setiap soalan. Each question is followed by either three or four options. Choose the best option for each question. 4. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan. The diagrams in the questions provided are not drawn to scale unless stated. 5. Anda dibenarkan menggunakan kalkulator saintifik. You may use scientific calculator. JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 5 K SET ERTAS MODEL KM SPM Kimia)(Set 5)(K1)3rd.indd 1 04/07/2023 12:04 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S5 – 2 1 Seorang murid sedang menjalankan penyiasatan di dalam makmal dengan menyalakan penunu Bunsen menggunakan mancis. A student is conducting an investigation in the laboratory by lighting a Bunsen burner using a match. Rajah 1 Diagram 1 Apakah yang harus dilakukan setelah selesai menggunakan mancis? What need to be done after using the match? A Meniup batang mancis Blow the matchstick B Menggoyangkan batang mancis Shake the matchstick C Membuang batang mancis ke dalam tong sampah Throw the matchstick into the trash D Membuang batang mancis ke dalam longkang Throw the matchstick into the drain 2 Apakah fungsi pancuran air di dalam makmal kimia? What is the function of shower in a chemical laboratory? A Untuk memadam kebakaran To put out fire B Untuk mandi dan membersihkan diri To shower and wash up C Untuk membersihkan badan jika terkena bahan kimia To clean the body if exposed to chemicals D Untuk membersihkan lantai yang terkena bahan kimia To clean the floor that has been exposed to chemicals 3 Rajah 2 menunjukkan perwakilan piawai bagi atom kalsium. Diagram 2 shows the standard representation of calcium atom. 40 20Ca Rajah 2 Diagram 2 Berapakah bilangan neutron di dalam atom kalsium? What is the number of neutrons in a calcium atom? A 19 B 20 C 21 D 40 4 Rajah 3 menunjukkan lengkung pemanasan bagi bahan P. Diagram 3 shows the heating curve for material P. Suhu (°C) Temperature (°C) Masa (min) Time (min) 90 80 27 T1 T2 T3 D C B A Rajah 3 Diagram 3 Apakah takat lebur bahan P? What is the melting point of material P? A 27 o C C 90 o C B 80 oC D 100 oC 5 Apakah yang dimaksudkan dengan Pemalar Avogadro? What is meant by Avogadro Constant? A Jisim bagi satu mol atom Mass of one mole of atom B Tekanan bagi satu mol bahan Pressure for one mole of substances C Isi padu yang dipenuhi oleh satu mol gas Volume filled by one mole of gas D Bilangan zarah dalam satu mol bahan Number of particles in one mole of substances 6 Berapakah jisim oksigen dalam 88 g karbon dioksida? What is the mass of oxygen in 88 g of carbon dioxide? [Jisim atom relatif: C =12, O = 16] [Relative atomic mass: C = 12, O = 16] A 16 g C 50 g B 32 g D 64 g 7 Logam-logam unsur peralihan digunakan sebagai mangkin dalam industri pembuatan. Antara berikut, yang manakah dipadankan dengan betul? Metals of transition elements are used as catalysts in manufacturing industry. Which of the following is correctly matched? Mangkin Catalyst Proses Process A Ferum Iron Haber Haber B Platinum Platinum Sentuh Contact C Nikel Nickel Ostwald Ostwald D Vanadium(V) oksida Vanadium(V) oxide Penghidrogenan Hydrogenation KM SPM Kimia)(Set 5)(K1)3rd.indd 2 04/07/2023 12:04 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S5 – 3 [Lihat halaman sebelah 8 Apakah prinsip asas penyusunan unsur-unsur dalam Jadual Berkala Unsur? What is the basic principles of the elements arrangement in the Periodic Table of Elements? A Tertib saiz atom unsur The order of atomic size of elements B Tertib menaik nombor proton The increasing order of proton number C Tertib menaik bilangan elektron The increasing order of electron number D Tertib menaik nombor nukleon The increasing order of nucleon number 9 Antara berikut, yang manakah mewakili magnesium oksida? Which of the following represents magnesium oxide? A B C D 10 Antara sebatian berikut, yang manakah terhasil daripada pemindahan elektron? Which of the following compounds is formed from the transfer of electrons? A Air, H2 O Water, H2 O B Gas oksigen, O2 Oxygen gas, O2 C Natrium oksida, Na2 O Sodium oxide, Na2 O D Hidrogen peroksida, H2 O2 Hydrogen peroxide, H2 O2 11 Apakah mendakan kuning yang terbentuk apabila larutan natrium tiosulfat, Na2 S2 O3 bertindak balas dengan asid sulfurik, H2 SO4 ? What is the yellow precipitate formed when sodium thiosulphate solution, Na2 S2 O3 reacts with sulfuric acid, H2 SO4 ? A Sulfur Sulphur B Sulfur dioksida Sulphur dioxide C Sulfur trioksida Sulphur trioxide D Natrium sulfat Sodium sulphate 12 Rajah 4 menunjukkan satu graf isi padu gas oksigen terkumpul melawan masa dalam tindak balas penguraian hidrogen peroksida. Diagram 4 shows a graph of volume of oxygen gas accumulated against time in the decomposition reaction of hydrogen peroxide. Isi padu gas oksigen (cm3 ) Volume of oxygen gas (cm3 ) Masa (s) Time (s) P Q R S O Rajah 4 Diagram 4 Pada titik yang manakah kadar tindak balas paling tinggi? At which point the reaction rate is the highest? A P B Q C R D S 13 Loyang lebih keras berbanding dengan kuprum. Antara pernyataan berikut, yang manakah menerangkan sifat loyang? Brass is harder than copper. Which of the following statement describes the properties of brass? A Atom-atom tersusun dengan teratur The atoms are orderly arranged B Ruang kosong di antara atom berkurang The empty spaces between atoms decreases C Daya tarikan antara atom kuprum berkurang The attraction force between copper atoms decreases D Lapisan atom kuprum sukar menggelongsor The layers of copper atoms are difficult to slide 14 Apakah kesan pengaloian emas? What is the effect of gold alloying? A Menjadi kurang keras Become less hard B Lebih mudah dibentuk Easier to mould C Lebih mudah dileburkan Easier to melt D Tahan kakisan Resistant to corrosion KM SPM Kimia)(Set 5)(K1)3rd.indd 3 04/07/2023 12:04 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S5 – 4 15 Antara bahan kimia berikut, yang manakah dikelaskan dengan betul? Which of the following chemicals is correctly classified? Elektrolit Electrolyte Bukan elektrolit Non-electrolyte A Larutan glukosa Glucose solution Tetraklorometana Tetrachloromethane B Larutan magnesium nitrat Magnesium nitrate solution Larutan glukosa Glucose solution C Tetraklorometana Tetrachloromethane Larutan natrium hidroksida Sodium hydroxide solution D Larutan natrium hidroksida Sodium hydroxide solution Larutan magnesium nitrat Magnesium nitrate solution 16 Rajah 5 menunjukkan bongkah besi yang disalut dengan stanum. Diagram 5 shows an iron block coated with tin. Calar Scratch Stanum Tin Besi Iron Rajah 5 Diagram 5 Berikan inferens kepada pemerhatian ini. Give an inference for this observation. A Atom besi menerima elektron Iron atoms receive electrons B Atom besi menderma elektron Iron atoms donate electrons C Atom stanum menerima elektron Tin atoms receive electrons D Atom stanum menderma elektron Tin atoms donate electrons 17 Persamaan berikut mewakili tindak balas penukaran propena kepada sebatian Z melalui proses penghidratan. The following equation represents the conversion reaction of propene to compound Z through the process of hydration. Propena Propene Sebatian Z Compound Z Apakah sebatian Z? What is compound Z? A Propana Propane B Propanol Propanol C Asid propanoik Propanoic acid D Propil propanoat Propyl propanoate 18 Haba peneutralan bagi tindak balas antara larutan natrium hidroksida dengan asid hidroklorik ialah ΔH = −57 kJ mol−1. Antara berikut, yang manakah gambar rajah aras tenaga untuk mewakili tidak balas tersebut? The heat of neutralisation for the reaction between sodium hydroxide solution and hydrochloric acid is ΔH = −57 kJ mol−1. Which of the following is the energy level diagram to represents the reaction? A NaC1 + H2 O NaOH + HCl Tenaga/ Energy ΔH = –57 kJ mol–1 B NaCl + H2 O Tenaga/ Energy NaOH + HCl ΔH = –57 kJ mol–1 C Tenaga/ Energy Na+ + Cl– NaCl ΔH = –57 kJ mol–1 D Tenaga/ Energy H+ + OH– H2 O ΔH = –57 kJ mol–1 KM SPM Kimia)(Set 5)(K1)3rd.indd 4 04/07/2023 12:04 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S5 – 5 [Lihat halaman sebelah 19 Rajah 6 menunjukkan gambar rajah aras tenaga bagi pembakaran butanol. Diagram 6 shows an energy level diagram for the combustion of butanol. Tenaga/ Energy C4 H9 OH + 6O2 4CO2 + 5H2 O ΔH = x kJ mol–1 Rajah 6 Diagram 6 Antara pernyataan berikut, yang manakah betul tentang tindak balas ini? Which of the following statements is correct about this reaction? A x kJ haba diserap dalam tindak balas tersebut x kJ of heat is absorbed in this reaction B Suhu akhir adalah lebih rendah daripada suhu awal The final temperature is lower than the initial temperature C Haba pembakaran butanol ialah −x kJ mol−1 Heat of combustion of butanol is −x kJ mol−1 D Jumlah kandungan tenaga hasil tindak balas ialah lebih tinggi daripada bahan tindak balas The total energy content of products is higher than reactants 20 Rajah 7 menunjukkan bahan yang diperbuat daripada sejenis polimer sintetik. Diagram 7 shows a material made from a type of synthetic polymer. Rajah 7 Diagram 7 Apakah nama polimer sintetik tersebut? What is the name of the synthetic polymer? A Nilon Nylon B Getah silikon Silicone rubber C Poliisoprena Polyisoprene D Getah nitril Nitrile rubber 21 Apakah nombor pengoksidaan bagi X dalam ion XO4 − ? What is the oxidation number of X in XO4 − ion? A +4 B +6 C +7 D +8 22 Berikut menunjukkan setengah persamaan bagi suatu tindak balas penurunan. The following shows half-equation of a reduction reaction. Cr2 O7 2− + xH+ + ye → zCr3+ +7H2 O Seimbangkan persamaan tersebut dengan melengkapkan nilai x, y dan z. Balance the equation by completing the values of x, y and z. x y z A 14 6 2 B 14 5 1 C 7 2 1 D 7 1 2 23 Antara pernyataan berikut, yang manakah benar tentang lemak dan minyak? Which of the following statements is true about fats and oils? A Minyak merupakan suatu sebatian hidrokarbon tepu Oil is a saturated hydrocarbon compound B Pengambilan minyak yang berlebihan boleh menyebabkan obesiti Excessive consumption of oil can lead to obesity C Lemak dan minyak mempunyai struktur sebatian yang sama Fats and oils have the same compound structure D Lemak terbentuk dalam keadaan pepejal pada suhu bilik Fat is formed in a solid state at room temperature 24 Antara berikut, yang manakah mempunyai jisim yang berbeza dengan 1 mol glukosa, C6 H12O6 ? Which of the following has different mass with 1 mol of glucose, C6 H12O6 ? [Jisim atom relatif: H = 1, C = 12, O = 16] [Relative atomic mass: H = 1, C = 12, O = 16] A 1 mol naftalena, C10H8 1 mol of naphthalene, C10H8 B 3 mol propanol, C3 H7 OH 3 mol of propanol, C3 H7 OH C 6 mol etana, C2 H6 6 mol of ethane, C2 H6 D 10 mol air, H2 O 10 mol of water, H2 O 25 Mengapakah logam unsur Kumpulan 1 perlu disimpan di dalam minyak parafin? Why the metal of Group 1 elements need to be stored in paraffin oil? A Memastikan logam tahan lama Ensure the metals are durable B Mengelakkan logam daripada berkarat Prevent the metals from rusting C Melindungi warna logam supaya tidak pudar Protect the metals colour from fading D Mengelakkan logam bertindak balas dengan unsur lain Prevent the metals from reacting with other elements KM SPM Kimia)(Set 5)(K1)3rd.indd 5 04/07/2023 12:04 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S5 – 6 26 Jadual 1 menunjukkan nombor proton bagi unsur W, X, Y dan Z. Table 1 shows the proton number of elements W, X, Y and Z. Unsur Elements Nombor proton Proton number W 10 X 11 Y 16 Z 17 Jadual 1 Table 1 Antara pasangan berikut, yang manakah akan membentuk sebatian kovalen? Which of the following pairs will form a covalent compound? A X dan/and Y B W dan/and Z C Y dan/and Z D X dan/and W 27 Latifah menjalankan dua set eksperimen penguraian hidrogen peroksida dengan menambahkan dua titis larutan kuprum(II) sulfat. Rajah 8 menunjukkan keputusan bagi kedua-dua set eksperimen. Latifah carry out two sets of experiment of decomposition of hydrogen peroxide by adding two drops of copper(II) sulphate solution. Diagram 8 shows the results for both sets of experiment. II I Rajah 8 Diagram 8 Set I menggunakan 50 cm3 larutan hidrogen peroksida 1.0 mol dm−3 pada suhu 21 o C. Ramalkan isi padu, kepekatan dan suhu bagi larutan hidrogen peroksida dalam set II untuk mendapatkan lengkung graf seperti dalam Rajah 8. Set I used 50 cm3 of 1.0 mol dm−3 hydrogen peroxide solution at 21 °C. Predict the volume, concentration and temperature of hydrogen peroxide solution in set II to get the curve as in Diagram 8. Isi padu Volume (cm3 ) Kepekatan Concentration (mol dm−3) Suhu Temperature (°C) A 25 0.5 30 B 25 1.0 25 C 50 0.5 25 D 50 1.0 30 28 Silika atau silikon dioksida ialah komponen utama dalam kaca. Apakah jenis kaca yang dihasilkan melalui pemanasan silika dan kalsium karbonat? Silica or silicon dioxide is the main component in glass. What is the type of glass produced by heating silica and calcium carbonate? A Kaca silika terlakur Fused silica glass B Kaca borosilikat Borosilicate glass C Kaca plumbum Lead crystal glass D Kaca soda kapur Soda-lime glass 29 Rajah 9 menunjukkan eksperimen untuk mengkaji kadar kakisan bagi paku besi dan paku keluli nirkarat. Diagram 9 shows an experiment to study the corrosion rate of iron nails and stainless steel nails. Larutan natrium klorida Sodium chloride solution Paku besi Iron nails Paku keluli nirkarat Stainless steel nails Rajah 9 Diagram 9 Apakah pemboleh ubah dimanipulasikan dalam eksperimen ini? What is the manipulated variable in this experiment? A Larutan natrium klorida Sodium chloride solution B Jenis paku The type of nails C Masa yang diambil untuk paku terkakis Time taken for nails to corrode KM SPM Kimia)(Set 5)(K1)3rd.indd 6 04/07/2023 12:04 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S5 – 7 [Lihat halaman sebelah 30 Seorang pesakit telah didiagnos dengan penyakit kanser. Isotop yang manakah digunakan untuk merawat penyakit itu? A patient has been diagnosed with cancer disease. Which isotope is used to treat the disease? A Karbon-14 Carbon-14 B Fosforus-32 Phosphorous-32 C Natrium-24 Sodium-24 D Kobalt- 60 Cobalt-60 31 Uranium-235 dan uranium-238 merupakan isotop. Pernyataan yang manakah betul tentang isotop uranium? Uranium-235 and uranium-238 are isotopes. Which statement is correct about the uranium isotope? [Nombor proton uranium = 92] [Uranium proton number = 92] A Uranium-235 mempunyai 92 proton dan 143 elektron Uranium-235 has 92 protons and 143 electrons B Uranium-238 mempunyai 92 proton dan 146 neutron Uranium-238 has 92 protons and 146 neutrons C Uranium-235 mempunyai bilangan elektron kurang daripada uranium-238 Uranium-235 has less number of electrons than uranium-238 D Uranium-235 mempunyai bilangan neutron yang sama dengan uranium-238 Uranium-235 has the same number of neutrons as uranium-238 32 Rajah 10 menunjukkan susunan radas bagi menentukan formula empirik kuprum(II) oksida. Diagram 10 shows the arrangement of apparatus to determine the empirical formula of copper(II) oxide. Tiub pembakaran Combustion tube Kuprum(II) oksida Copper(II) oxide Panaskan Heat Kertas asbestos Asbestos paper Gas hidrogen Hydrogen gas Rajah 10 Diagram 10 Mengapakah kaedah ini tidak sesuai untuk menentukan formula empirik magnesium oksida? Why this method is not suitable to determine the empirical formula of magnesium oxide? A Magnesium terbakar dengan sangat cergas di dalam oksigen Magnesium burns very vigorously in oxygen B Magnesium meletup apabila dipanaskan Magnesium explodes when heated C Magnesium lebih elektropositif daripada kuprum Magnesium is more electropositive than copper D Magnesium lebih reaktif daripada hidrogen Magnesium is more reactive than hydrogen 33 Seorang murid telah membasuh pakaiannya yang berminyak menggunakan air laut. Dia menggunakan dua jenis bahan pencuci yang berbeza, iaitu bahan pencuci A dan bahan pencuci B. Keputusan yang diperoleh dicatatkan dalam Jadual 2. A student has washed his oily clothes using sea water. He uses two different types of cleaning substances, which are cleaning substance A and cleaning substance B. The results obtained are recorded in Table 2. Bahan pencuci Cleaning substance A B Pemerhatian Observation Kesan minyak hilang Oily stain removed Kesan minyak kekal Oily stain remained Jadual 2 Table 2 Antara pernyataan berikut, yang manakah menerangkan tentang pemerhatian yang diperoleh? Which of the following statements explaines the observation obtained? A Bahan pencuci A terurai manakala bahan pencuci B tidak terurai Cleaning substance A decomposes while cleaning substance B does not decomposes B Bahan pencuci A mengurangkan tegangan permukaan air manakala bahan pencuci B tidak mengurangkan tegangan permukaan air Cleaning substance A reduces the surface tension of water while cleaning substance B does not reduce the surface tension of water C Bahan pencuci A larut di dalam minyak manakala bahan pencuci B tidak larut di dalam minyak Cleaning substance A soluble in oil while cleaning substance B does not soluble in oil D Bahan pencuci A tidak membentuk kekat manakala bahan pencuci B membentuk kekat Cleaning substance A does not form scums while cleaning substance B forms scums 34 Unsur W bertindak balas dengan sulfur untuk menghasilkan satu sebatian dengan formula W2 S. Apakah susunan elektron bagi atom W? Element W reacts with sulfur to produce a compound with the formula of W2 S. What is the electron arrangement of atom W? [Nombor proton: S = 16] [Proton number: S = 16] A 2.8.1 B 2.8.2 C 2.8.3 D 2.8.4 KM SPM Kimia)(Set 5)(K1)3rd.indd 7 04/07/2023 12:04 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S5 – 8 35 Seorang murid ingin menghasilkan gas hidrogen di dalam makmal melalui tindak balas antara zink dan asid hidroklorik. Apakah langkah-langkah yang perlu diambil supaya masa untuk mengumpul gas menjadi singkat? A student wants to produce hydrogen gas in the laboratory through the reaction between zinc and hydrochloric acid. What steps should be taken so that the time to accumulate gas is short? I Menambahkan air ke dalam asid hidroklorik Add water to hydrochloric acid II Menggunakan kelalang kon yang lebih besar Use a larger conical flask III Menggunakan serbuk zink berbanding dengan ketulan zink Use zinc powder instead of zinc granules IV Menambahkan beberapa titis larutan kuprum(II) sulfat ke atas campuran bahan tindak balas Add a few drops of copper(II) sulfate solution to the reactants mixture A I dan II sahaja C II dan III sahaja I and II only II and III only B I dan IV sahaja D III dan IV sahaja I and IV only III and IV only 36 Berikut merupakan ciri-ciri yang perlu ada dalam suatu produk baharu dalam industri. The following are the characteristics that must be present in a new product in industry. • Tiada rintangan elektrik No electrical resistance • Berfungsi di bawah suhu rendah yang melampau Works under extremely low temperatures • Memindahkan maklumat pada kelajuan tinggi Transfer information at high speed Apakah bahan-bahan yang digunakan untuk menghasilkan produk ini? What are the materials used to produce this product? I Seramik III Gentian optik Ceramic Optical fibre II Superkonduktor IV Gentian kaca Superconductor Glass fibre A I dan III sahaja C II dan III sahaja I and III only II and III only B I dan IV sahaja D II dan IV sahaja I and IV only II and IV only 37 Persamaan di bawah menunjukkan proses pengesteran. The equation below shows the esterification process. Alkohol X + H O ǀ H – C – C ǀ H OH ǀǀ ǀ H O ǀ H – C – C ǀ H O H ǀ – O – C – H ǀ H ǀǀ ǀ Apakah alkohol X? What is alcohol X? A H H H H ǀ ǀ ǀ ǀ H – C – C – C – C – OH ǀ ǀ ǀ ǀ H H H H B H H H ǀ ǀ ǀ H – C – C – C – OH ǀ ǀ ǀ H H H C H ǀ H – C – OH ǀ H D H H ǀ ǀ H – C – C – OH ǀ ǀ H H 38 Diberi haba pembakaran etanol ialah −1376 kJ mol−1. Berapakah nilai bahan api bagi etanol? Given the heat of combustion of ethanol is −1376 kJ mol−1. What is the fuel value of ethanol? [Jisim atom relatif: H = 1, C = 12, O = 16] [Relative atomic mass: H = 1, C = 12, O = 16] A 18.6 kJ g−1 B 29.9 kJ g−1 C 22.9 kJ g−1 D 31.3 kJ−1 39 Apabila 9.0 g bahan api X dibakar, suhu bagi 100 cm3 air meningkat sebanyak 30 °C. Hitung haba pembakaran bahan api X. When 9.0 g of fuel X is burned, the temperature of 100 cm3 of water is increased by 30 °C. Calculate the heat of combustion of fuel X. [Jisim molar X = 180 g mol−1; Muatan haba tentu bagi air = 4.2 J g−1 °C−1; Ketumpatan air = 1 g cm−3] [Molar mass of X = 180 g mol−1; Specific heat capacity of water = 4.2 J g−1 °C−1, Water density = 1 g cm−3] A 22 kJ mol−1 B 630 kJ mol−1 C 252 kJ mol−1 D 1134 kJ mol−1 40 Puan Mary ingin membuat sebiji kek yang manis dan gebu. Apakah bahan tambah makanan yang diperlukan untuk membuat kek tersebut? Mrs. Mary wanted to make a sweet and fluffy cake. What are the food additives needed to make the cake? A Aspartam dan tartrazin Aspartame and tartrazine B Aspartam dan asid benzoik Aspartame and benzoic acid C Aspartam dan lesitin Aspartame and lecithin D Mononatrium glutamat dan sebatian azo Monosodium glutamate and azo compound KM SPM Kimia)(Set 5)(K1)3rd.indd 8 04/07/2023 12:04 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 1 [Lihat halaman sebelah Kertas soalan ini mengandungi 9 halaman bercetak. SIJIL PELAJARAN MALAYSIA 2023 KIMIA 4541/1 Kertas 1 11 4 jam Satu jam lima belas minit 1. Kertas soalan ini adalah dalam dwibahasa. 2. Soalan dalam bahasa Melayu mendahului soalan yang sepadan dalam bahasa Inggeris. MAKLUMAT UNTUK CALON INFORMATION FOR CANDIDATES 1. Kertas soalan ini mengandungi 40 soalan. This question paper consists of 40 questions. 2. Jawab semua soalan. Answer all questions. 3. Setiap soalan diikuti oleh sama ada tiga atau empat pilihan jawapan. Pilih satu jawapan terbaik bagi setiap soalan. Each question is followed by either three or four options. Choose the best option for each question. 4. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan. The diagrams in the questions provided are not drawn to scale unless stated. 5. Anda dibenarkan menggunakan kalkulator saintifik. You may use scientific calculator. JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU 3 K SET ERTAS MODEL KM SPM Kimia)(Set 3(K1).indd 1 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 2 1 Unsur-unsur dalam Jadual Berkala Unsur disusun berdasarkan pertambahan Elements in the Periodic Table of Elements are arranged according to an increase in A nombor proton proton number B nombor nukleon nucleon number C jisim atom relatif relative atomic mass D jisim molekul relatif relative molecular mass 2 Apakah nombor pengoksidaan bagi gas karbon dioksida, CO2 ? What is the oxidation number of carbon dioxide gas, CO2 ? A –1 B 0 C +1 D –3 3 Antara bahan berikut, yang manakah merupakan hidrokarbon tak tepu? Which of the following substance is an unsaturated hydrocarbon? A Propana Propane B Propanol Propanol C Propena Propene D Asid propanoik Propanoic acid 4 Molekul air, H2 O berpadu dengan ion hidrogen, H+ untuk membentuk ion hidroksonium, H3 O+ . Apakah jenis ikatan kimia yang terbentuk? Water molecule, H2 O combine with hydrogen ion, H+ to form hydroxonium ion, H3 O+ . What is the type of chemical bond formed? A Ikatan datif Dative bond B Ikatan ion Ionic bond C Ikatan logam Metallic bond D Ikatan kovalen Covalent bond 5 Antara berikut, yang manakah berlaku semasa proses pengoksidaan? Which of the following occur during oxidation? A Kehilangan oksigen Loss of oxygen B Terima hidrogen Gain of hydrogen C Kehilangan elektron Loss of electron D Pengurangan nombor pengoksidaan Decrease in oxidation number 6 Rajah 1 menunjukkan satu sebatian organik. Diagram 1 shows an organic compound. H CH3 H ∙ ∙ ∙ H — C — C — C — H ∙ ∙ ∙ H H H Rajah 1 Diagram 1 Antara berikut, yang manakah siri homolog bagi sebatian ini? Which of the following is the homologous series of the compound? A Alkana C Alkohol Alkane Alcohol B Alkena D Asid karboksilik Alkene Carboxylic acid 7 Antara berikut, yang manakah benar tentang tindak balas endotermik? Which of the following is true about endothermic reaction? A Bekas menjadi semakin panas The container gets hotter B Nilai ∆H mempunyai tanda negatif The value of ∆H has negative sign C Jumlah kandungan tenaga dalam bahan tindak balas lebih tinggi daripada hasil tindak balas The total energy content of reactants are higher than products D Haba yang diserap untuk memutuskan ikatan lebih tinggi daripada haba yang dibebaskan semasa pembentukan ikatan baharu Heat absorbed to break the bonds is higher than the heat release during the formation of the new bond 8 Butena boleh ditukar kepada butana melalui proses Butene can be converted to butane by the process of A penapaian fermentation B pengoksidaan oxidation C pendehidratan dehydration D penghidrogenan hydrogenation 9 Antara bahan berikut, yang manakah yang sesuai digunakan sebagai elektrolit? Which of the following substances is suitable to be used as electrolyte? A Larutan sukrosa Sucrose solution B Leburan naftalena Molten naphthalene C Asid hidroklorik Hydrochloric acid D Sikloheksana Cyclohexane KM SPM Kimia)(Set 3(K1).indd 2 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 3 [Lihat halaman sebelah 10 Antara formula struktur berikut, yang manakah merupakan isomer bagi butana? Which of the following structural formulae are isomers of butane? I H H H H ∙ ∙ ∙ ∙ H — C — C — C — C — H ∙ ∙ ∙ ∙ H H H H II H H H H ∙ ∙ ∙ ∙ H — C = C — C — C — H ∙ ∙ H H III H ∙ H — C — H H H ∙ ∙ H — C — C — C — H ∙ ∙ ∙ H H H IV H ∙ C — H H H ∙ ∙ H — C — C — C — H ∙ ∙ H H A I dan II sahaja I and II only B I dan III sahaja I and III only C II dan IV sahaja II and IV only D III dan IV sahaja III and IV only 11 Apabila serbuk garam P dipanaskan, pemerhatian berikut diperoleh. When salt powder P is heated, the following observations are obtained. • Serbuk hijau menjadi hitam Green powder turns black • Gas yang terbebas mengeruhkan air kapur Gas released turns limewater cloudy Apakah garam P? What is salt P? A Kuprum(II) karbonat Copper(II) carbonate H H B Kuprum(II) oksida Copper(II) oxide C Zink karbonat Zinc carbonate D Natrium karbonat Sodium carbonate 12 Apakah ion yang terdapat dalam leburan natrium klorida? What ions present in molten sodium chloride? A Na+ , Cl– B H+ , OH– C Na+ , Cl– , OH– D Na+ , Cl– , H+ , OH– 13 Apakah fungsi lesitin dalam pembuatan aiskrim? What is the function of lecithin in ice cream making? A Menjadikannya bertahan lebih lama Make it last longer B Sebagai penstabil As a stabiliser C Sebagai perisa tiruan As artificial flavour D Elakkan daripada teroksida Prevent it from being oxidised 14 Rajah 2 menunjukkan kaca fotokromik yang boleh melindungi mata daripada sinar ultraungu (UV) yang berbahaya. Diagram 2 shows photochromic glass that can protect our eyes from dangerous ultraviolet (UV) rays. Rajah 2 Diagram 2 Antara bahan kimia berikut, yang manakah digunakan dalam kaca fotokromik? Which of the following chemical substance is used in the photochromic glass? A Boron oksida Boron oxide B Plumbum(II) oksida Lead(II) oxide C Plumbum(II) klorida Lead(II) chloride D Argentum klorida Silver chloride KM SPM Kimia)(Set 3(K1).indd 3 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 4 15 Antara pasangan tindak balas berikut, yang manakah akan membentuk air dan garam sahaja? Which of the following pairs of reaction will form water and salt only? A Asid sulfurik cair dan magnesium Dilute sulphuric acid and magnesium B Asid hidroklorik cair dan kalsium karbonat Dilute hydrochloric acid and calcium carbonate C Asid nitrik cair dan kalium klorida Dilute nitric acid and potassium chloride D Asid sulfurik cair dan natrium hidroksida Dilute sulphuric acid and sodium hydroxide 16 Pepejal Q menghasilkan gas perang yang menukarkan kertas litmus biru lembap kepada merah apabila dipanaskan dengan kuat. Apakah pepejal Q? Solid Q produces brown gas that turns moist blue litmus paper to red when heated strongly. What is solid Q? A Plumbum(II) nitrat Lead(II) nitrate B Kalsium klorida Calcium chloride C Zink sulfat Zinc sulphate D Kuprum(II) karbonat Copper(II) carbonate 17 Apabila magnesium terbakar dalam oksigen berlebihan, pepejal putih magnesium oksida terbentuk. Antara persamaan kimia seimbang berikut, yang manakah mewakili tindak balas tersebut? When magnesium burns in excess oxygen gas, a white solid magnesium oxide is formed. Which of the following is a balance chemical equation to represent the reaction? A Mg + O → MgO B 2MgO → 2Mg + O2 C Mg + O2 → MgO D 2Mg + O2 → 2MgO 18 Jadual 1 menunjukkan perubahan warna bagi tiga penunjuk. Table 1 shows the colour changes for three indicators. Penunjuk Indicator Warna dalam larutan dengan pH 2 Colour in solution with pH 2 Warna dalam larutan dengan pH 10 Colour in solution with pH 10 Fenolftalein Phenolphthalein Tiada warna Colourless Merah jambu Pink Metil jingga Methyl orange Merah Red Kuning Yellow Penunjuk semesta Universal indicator Merah Red Ungu Purple Jadual 1 Table 1 Jadual 2 menunjukkan pemerhatian bagi tiga penunjuk di dalam bahan X, Y dan Z. Table 2 shows the observation of three indicators in substances X, Y and Z. Bahan Substances Pemerhatian Oservation X Fenolftalein berwarna merah jambu Phenolphthalein is pink Y Metil jingga berwarna merah Methyl orange is red Z Penunjuk semesta berwarna ungu Universal indicator is purple Jadual 2 Table 2 Antara berikut, bahan-bahan manakah bersesuaian dengan pemerhatian dalam Jadual 2? Which of the following substances match with the observation in Table 2? X Y Z A Ubat gigi herba Herbal toothpaste Jus limau Lime juice Sabun Soap B Jus limau Lime juice Sabun Soap Ubat gigi herba Herbal toothpaste C Ubat gigi herba Herbal toothpaste Syampu Shampoo Jus limau Lime juice D Cuka Vinegar Jus limau Lime juice Sabun Soap 19 Rajah 3 menunjukkan proses X. Diagram 3 shows process X. Rajah 3 Diagram 3 Proses X Process X H H H H H H ∙ ∙ ∙ ∙ ∙ ∙ H —— C — C — C — C — C — C —— H ∙ ∙ ∙ ∙ ∙ ∙ H H H H H ∙ ∙ — C C ∙ H n KM SPM Kimia)(Set 3(K1).indd 4 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 5 [Lihat halaman sebelah Apakah proses X? What is process X? A Pengesteran Esterification B Pempolimeran Polymerisation C Penghidrogenan Hydrogenation D Pengoksidaan Oxidation 20 Persamaan berikut menunjukkan tindak balas antara ferum(III) oksida, Fe2 O3 dengan karbon monoksida, CO. The following equation shows the reaction between iron(III) oxide, Fe2 O3 with carbon monoxide, CO. Fe2 O3 + 3CO → 2Fe + 3CO2 Antara berikut, yang manakah merupakan perubahan nombor pengoksidaan bagi ferum? Which of the following is the change in the oxidation number of iron? A +3 → 0 B +2 → +3 C +3 → +2 D +2 → 0 21 Jadual 3 menunjukkan nilai pH bagi dua larutan dengan kepekatan yang sama. Table 3 shows the pH value of two solutions with the same concentration. Larutan Solution pH K 8 L 12 Jadual 3 Table 3 Pernyataan manakah yang menerangkan tentang perbezaan nilai pH bagi larutan K dan L dalam Jadual 3? Which statement explains the differences in the pH values of solution K and L in Table 3? A K mengion separa manakala L mengion lengkap di dalam air K ionises partially whereas L ionises completely in water B Kepekatan ion hidroksida dalam K lebih tinggi daripada L The concentration of hydroxide ion in K is higher than L C Bilangan mol ion hidroksida dalam K lebih rendah daripada L The number of mole of hydroxide ion in K is lower than L D Kepekatan ion hidrogen dalam K lebih rendah daripada L The concentration of hydrogen ion in K is lower than L 22 Elektrolisis larutan X menghasilkan larutan perang di anod. Larutan ini mengubah larutan kanji kepada biru gelap. Apakah larutan X? Electrolysis of solution X produces a brown solution at the anode. The solution changes starch solution to dark blue. What is solution X? A Larutan natrium bromida Sodium bromide solution B Larutan natrium iodida Sodium iodide solution C Larutan natrium klorida Sodium chloride solution D Larutan natrium fluorida Sodium fluoride solution 23 Rajah 4 menunjukkan susunan radas bagi penyediaan argentum klorida. Diagram 4 shows the apparatus set up for the preparation of silver chloride. Argentum klorida Silver chloride Rajah 4 Diagram 4 Bahan tindak balas manakah yang sesuai untuk menyediakan argentum klorida? Which reactants are suitable to prepare silver chloride? A Argentum dan asid hidroklorik Silver and hydrochloric acid B Serbuk argentum karbonat dan asid hidroklorik Silver carbonate powder and hydrochloric acid C Larutan argentum nitrat dan gas klorin Silver nitrate solution and chlorine gas D Larutan argentum nitrat dan larutan natrium klorida Silver nitrate solution and sodium chloride solution 24 Rajah 5 menunjukkan sebahagian daripada Jadual Berkala Unsur. Diagram 5 shows a part of the Periodic Table of Elements. P Q R S Rajah 5 Diagram 5 Antara unsur P, Q, R dan S dalam Jadual Berkala Unsur, yang manakah sesuai digunakan dalam tangki penyelam skuba? Which of the following elements P, Q, R and S in the Periodic Table of Elements is suitable to be used in a scuba diving tank? A P C R B Q D S KM SPM Kimia)(Set 3(K1).indd 5 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 6 25 Antara tindak balas berikut, yang manakah membebaskan haba ke persekitaran? Which of the following reactions releases heat to the surroundings? A Melarutkan kalium nitrat di dalam air Dissolving potassium nitrate in water B Melarutkan ammonium sulfat di dalam air Dissolving ammonium sulphate in water C Menambahkan kalsium karbonat kepada asid nitrik Adding calcium carbonate to nitric acid D Menambah kalium hidrogen karbonat kepada asid hidroklorik Adding potassium hydrogen carbonate to hydrochloric acid 26 Rajah 6 menunjukkan graf apabila magnesium yang berlebihan dimasukkan kepada 25 cm3 asid hidroklorik 0.2 mol dm–3 pada suhu bilik. Eksperimen ini diulangi dengan menggunakan suhu yang lebih tinggi. Diagram 6 shows a graph when excess magnesium is added to 25 cm3 of 0.2 mol dm–3 hydrochloric acid at room temperature. The experiment is repeated using a higher temperature. Rajah 6 Diagram 6 Antara berikut, graf manakah menunjukkan isi padu gas yang terkumpul pada sela masa tertentu untuk kedua-dua eksperimen ini? Which of the following graphs show the volume of gas collected at certain interval time for both of the experiments? Eksperimen asal Original experiment Eksperimen ulangan Repeated experiment A Z X B Z Y C W Y D W X 27 Unsur M merupakan suatu logam dengan nombor pengoksidaan +1 dan boleh bertindak balas dengan oksigen untuk menghasilkan sebatian dengan formula M2 O. Apakah unsur yang mungkin bagi M? Element M is a metal with oxidation number +1 and can reacts with oxygen to produce a compound with formula M2 O. What is the possible element of M? I Natrium Sodium II Argentum Silver III Kalsium Calcium IV Magnesium Magnesium A I dan II sahaja I and II only B I dan III sahaja I and III only C II dan IV sahaja II and IV only D III dan IV sahaja III and IV only 28 Jadual 4 menunjukkan nombor proton bagi unsur P, Q dan R. Table 4 shows the proton number of elements P, Q and R. Unsur Element P Q R Nombor proton Proton number 5 7 12 Jadual 4 Table 4 Antara berikut, yang manakah merupakan susunan saiz atom yang betul dalam urutan menurun? Which of the following is the correct arrangement of atomic size in descending order? A R, Q, P B R, P, Q C P, Q, R D Q, R, P 29 Persamaan berikut mewakili tindak balas penguraian pepejal kuprum(II) nitrat. The following equation represents the decomposition reaction of solid copper(II) nitrate. 2Cu(NO3 )2 → 2CuO + 4NO2 + O2 Hitung isi padu gas oksigen yang terhasil pada keadaan bilik apabila 1.89 g pepejal kuprum(II) nitrat terurai. Calculate is the volume of oxygen gas produced at room condition when 1.89 g of solid copper(II) nitrate is decomposed. [Jisim atom relatif: Cu = 64, N = 14, O = 16; Isi padu molar bagi gas = 24 dm3 mol–1 pada keadaan bilik] [Relative atomic mass: Cu = 64, N = 14, O = 16; Molar volume of gas = 24 dm3 mol–1 at room conditions] A 0.06 dm3 C 0.24 dm3 B 0.12 dm3 D 0.48 dm3 Isi padu gas (cm3 ) Volume of gas (cm3 ) Masa (s) Time (s) X Y W Z KM SPM Kimia)(Set 3(K1).indd 6 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 7 [Lihat halaman sebelah 30 Jadual 5 menunjukkan jumlah isi padu gas hidrogen, H2 yang dikumpulkan dalam tindak balas antara zink dan asid hidroklorik cair, HCl. Table 5 shows the total volume of hydrogen gas, H2 collected in a reaction between zinc and dilute hydrochloric acid, HCl. Masa (s) Time (s) Isi padu H2 (cm3 ) Volume of H2 (cm3 ) 0 0 30 18.0 60 27.5 90 35.0 120 41.5 150 46.5 180 50.0 210 50.0 240 50.0 Jadual 5 Table 5 Berapakah kadar tindak balas purata bagi keseluruhan tindak balas? What is the overall average rate of reaction? A 0.21 cm3 min–1 B 0.28 cm3 min–1 C 12.50 cm3 min–1 D 16.67 cm3 min-–1 31 Rajah 7 menunjukkan keputusan satu siri ujian yang dijalankan oleh seorang pelajar terhadap larutan Y. Diagram 7 shows the result of a series of tests that is carried out by a student on solution Y. Larutan Y Solution Y Mendakan biru Blue precipitate Mendakan putih White precipitate Mendakan putih White precipitate NaOH (ak/aq) Pb(NO3 )2 (ak/aq) BaCl2 (ak/aq) Rajah 7 Diagram 7 Antara berikut, yang manakah mungkin larutan Y? Which of the following could be solution Y? A Kuprum(II) klorida Copper(II) chloride B Zink klorida Zinc chloride C Kuprum(II) sulfat Copper(II) sulphate D Plumbum(II) sulfat Lead(II) sulphate 32 Rajah 8 menunjukkan satu sel kimia yang dibina untuk meramal bacaan voltmeter antara pasangan logam yang berbeza. Diagram 8 shows a chemical cell constructed to predict voltmeter readings between different metal pairs. Cu2+(ak/aq) + 2e– Cu(p/s) E0 = +0.34 V Mg2+(ak/aq) + 2e– Mg(p/s) E0 = –2.38 V Ag+ (ak/aq) + e– Ag(p/s) E0 = +0.80 V Zn2+(ak/aq) + 2e– Zn(p/s) E0 = –0.76 V Rajah 8 Diagram 8 Antara pasangan logam berikut, yang manakah memberikan bacaan voltmeter paling tinggi? Which of the following pair of metals gives the highest voltmeter reading? Logam P Metal P Logam Q Metal Q A Magnesium Magnesium Argentum Silver B Zink Zinc Kuprum Copper C Magnesium Magnesium Zink Zinc D Kuprum Copper Argentum Silver V Logam Q Metal Q Logam P Metal P Larutan natrium klorida Sodium chloride solution KM SPM Kimia)(Set 3(K1).indd 7 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 8 33 Rajah 9 menunjukkan sel kimia ringkas menggunakan lemon. Diagram 9 shows a simple chemical cell using lemon. Paku kuprum Copper nail Lemon Lemon Lampu LED LED bulb Paku zink Zinc nail Rajah 9 Diagram 9 Antara berikut, yang manakah betul mengenai paku kuprum? Which of the following is true about copper nail? Tindak balas Reaction Setengah persamaan Half-equation A Pengoksidaan Oxidation Cu2+ + 2e— → Cu B Pengoksidaan Oxidation 2H+ + 2e— → H2 C Penurunan Reduction Cu2+ + 2e— → Cu D Penurunan Reduction 2H+ + 2e— → H2 34 Persamaan berikut mewakili tindak balas antara larutan natrium klorida dengan larutan plumbum(II) nitrat. The following equation represents the reaction between sodium chloride solution and lead(II) nitrate solution. 2NaCl + Pb(NO3 )2 → PbCl2 + 2NaNO3 Berapakah jisim mendakan plumbum(II) klorida yang terhasil apabila 200 cm3 larutan natrium klorida 0.1 mol dm–3 bertindak balas lengkap dengan larutan plumbum(II) nitrat berlebihan? What is the mass of lead(II) chloride precipitate produced when 200 cm3 of 0.1 mol dm–3 sodium chloride solution reacts completely with excess lead(II) nitrate solution? [Jisim atom relatif: Pb = 207, Cl = 35.5] [Relative atomic mass: Pb = 207, Cl = 35.5] A 2.78 g B 5.56 g C 9.70 g D 11.12 g 35 Jadual 6 menunjukkan bahan tindak balas yang digunakan dalam Eksperimen I dan II. Table 6 shows the reactants used in Experiment I and II. Eksperimen Experiment Bahan tindak balas Reactant I 20 cm3 asid sulfurik 0.1 mol dm–3 dan serbuk zink berlebihan 20 cm3 of 0.1 mol dm–3 sulphuric acid and excess zinc powder II 20 cm3 asid nitrik 0.1 mol dm–3 dan serbuk zink berlebihan 20 cm3 of 0.1 mol dm–3 nitric acid and excess zinc powder Jadual 6 Table 6 Graf manakah yang mewakili tindak balas dalam Eksperimen I dan II? Which graphs represents the reaction in Experiment I and II? A Isi padu gas hidrogen (cm3 ) Volume of hydrogen gas (cm3 ) Masa (s) Time (s) B Isi padu gas hidrogen (cm3 ) Volume of hydrogen gas (cm3 ) Masa (s) Time (s) C Isi padu gas hidrogen (cm3 ) Volume of hydrogen gas (cm3 ) Masa (s) Time (s) I I II II II I KM SPM Kimia)(Set 3(K1).indd 8 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 9 [Lihat halaman sebelah D Isi padu gas hidrogen (cm3 ) Volume of hydrogen gas (cm3 ) Masa (s) Time (s) 36 Dalam satu eksperimen, 2.4 g serbuk magnesium ditambahkan kepada 100 cm3 larutan kuprum(II) sulfat 2.0 mol dm–3. Suhu campuran meningkat sebanyak 1.0 °C. Hitung haba tindak balas dalam eksperimen ini. In an experiment, 2.4 g of magnesium powder is added to 100 cm3 of 2.0 mol dm–3 copper(II) sulphate solution. The temperature of the mixture increase by 1.0 °C. Calculate the heat of the reaction in the experiment. [Muatan haba tentu larutan: 4.2 J g–1 °C–1; Jisim atom relatif: Mg = 24; Ketumpatan larutan = 1 g cm–3 ] [Specific heat capacity of solution: 4.2 J g–1 °C–1; Relative atomic mass: Mg = 24; Density of solution = 1 g cm–3] A –0.42 kJ mol–1 B –0.48 kJ mol–1 C –4.20 kJ mol–1 D –4.80 kJ mol–1 37 Kaki Bazli terseliuh ketika sedang menggembur tanah kebunnya. Bazli meminta anaknya untuk mengambil bahan X dari stor dan mencampurkannya ke dalam beg plastik yang mengandungi air. Anaknya menggoncangkan beg plastik itu dan menekap ke atas bahagian yang terseliuh. Apakah kemungkinan bahan X? Bazli sprain his leg during loosening the soil in his farm. Bazli asked his son to take substance X from the store and mix it into a plastic bag containing water. His son shook the plastic bag and pressed it onto the sprain part. What are the probable of substance X? I Ammonium nitrat Ammonium nitrate II Kalium nitrat Potassium nitrate III Magnesium sulfat kontang Anhydrous magnesium sulphate IV Kalsium oksida Calcium oxide A I dan II sahaja I and II only B I dan III sahaja I and III only C II dan IV sahaja II and IV only D III dan IV sahaja III and IV only 38 Rajah 10 menunjukkan sejenis sel kimia. Diagram 10 shows a type of chemical cell. Rajah 10 Diagram 10 Elektrik dihasilkan apabila tindak balas berikut berlaku di dalam sel tersebut. Electricity is generated when the following reaction occurs in the cell. Zn + 2MnO2 → ZnO + Mn2 O3 Antara berikut, yang manakah betul tentang perubahan nombor pengoksidaan zink dan mangan? Which of the following is correct about change in the oxidation number of zinc and manganese? Perubahan nombor pengoksidaan Change in oxidation number Zink Zinc Mangan Manganese A +2 to 0 +2 to +6 B +2 to 0 +2 to +3 C 0 to +2 +4 to +3 D 0 to +2 +4 to +6 I II KM SPM Kimia)(Set 3(K1).indd 9 23/06/2023 5:17 PM
4541/1 © Global Mediastreet Sdn. Bhd. (762284-U) S3 – 10 39 Rajah 11 menunjukkan satu gambar rajah aras tenaga. Diagram 11 shows an energy level diagram. Tenaga Energy Mg + Fe2+ Mg2+ + Fe ∆H = –200 kJ mol–1 Rajah 11 Diagram 11 Berapakah kenaikan suhu larutan jika magnesium berlebihan dilarutkan dalam 50 cm3 larutan ferum(II) sulfat 0.2 mol dm–3? What is the increase in temperature of the solution if excess magnesium is dissolved in 50 cm3 of 0.2 mol dm–3 iron(II) sulphate solution? [Muatan haba tentu larutan = 4.2 J g–1 °C–1; Ketumpatan larutan = 1 g cm3 ] [Specific heat capacity of solution = 4.2 J g–1 °C–1; Density of solution = 1 g cm3 ] A 0.01 °C B 9.5 °C C 0.1 °C D 95.2 °C 40 Persamaan kimia berikut menunjukkan tindak balas antara kuprum(II) oksida dan asid nitrik. The following chemical reaction shows the reaction between copper(II) oxide and nitric acid. CuO + 2HNO3 → Cu(NO3 )2 + H2 O Sekiranya 10 g serbuk kuprum(II) oksida ditambahkan kepada 50 cm3 asid nitrik 2.0 mol dm–3, hitung jisim kuprum(II) oksida yang tidak bertindak balas. If 10 g of copper(II) oxide powder is added to 50 cm3 of 2.0 mol dm–3 nitric acid, calculate the mass of copper(II) oxide that does not react. [Jisim formula relatif CuO = 80] [Relative formula mass of CuO = 80] A 2 g B 4 g C 5 g D 6 g KERTAS SOALAN TAMAT END OF QUESTION PAPER KM SPM Kimia)(Set 3(K1).indd 10 23/06/2023 5:17 PM