K1 Trial Kedah Chemistry 2018

2

1 What is the meaning of ionic bond?
Apakah yang dimaksudkan dengan ikatan ion?

A The bonds formed through the transfer of electrons between atoms of metal and non-metal
atoms.
Ikatan yang terbentuk melalui pemindahan elektron di antara atom logam dengan atom
bukan logam.

B The bonds formed through the sharing of electrons between atoms of metal and non-metal
atoms.
Ikatan yang terbentuk melalui perkongsian elektron di antara atom logam dengan atom
bukan logam.

C The bonds formed through the transfer of electrons between atoms of metal and atoms of
other metal.
Ikatan yang terbentuk melalui pemindahan elektron di antara atom logam dengan atom
logam lain.

D The bonds formed through the sharing of electrons between two non metals atoms
Ikatan yang terbentuk melalui perkongsian elektron di antara dua atom bukan logam

2 Which particles are produced when lead(II) bromide heated?

Zarah manakah yang terhasil apabila plumbum(II) bromida dipanaskan?

A Ions C Electrons

Ion Elektron

B Atom D Molecules

Atom Molekul

3 Which of the following is not correct about ammonia solution?
Antara yang berikut, yang manakah tidak benar tentang larutan ammonia?

A Have pH value of 11
Mempunyai nilai pH 11

B Partially ionised in water
Mengion separa dalam air

C Concentration of hydroxide ion is low
Kepekatan ion hidroksida adalah rendah

D Solution does not react with acid
Larutan tidak bertindak balas dengan asid

4 Which of the following compounds is an insoluble salt?
Antara sebatian berikut, yang manakah adalah garam tak terlarutkan?
A Barium sulphate
Barium sulfat
B Calcium chloride
Kalsium klorida
C Lead(II) nitrate
Plumbum(II) nitrat
D Sodium carbonate
Natrium karbonat

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

3

5 Digital communication plays a very important role in modern living. Effective transmission of data,
voices and images in a digital format requires a suitable material. What is the material used?
Komunikasi digital memainkan peranan yang sangat penting dalam kehidupan moden.
Penghantaran data, suara dan imej secara berkesan dalam format digital memerlukan bahan yang
sesuai. Apakah bahan yang digunakan?

A Copper
Kuprum

B Fibre optic
Gentian optik

C Aluminium
Aluminium

D Superconductor
Superkonduktor

6 In an electrolysis, a cathode is
Dalam elektrolisis, katod adalah

A The positive terminal of a battery
Terminal positif bateri

B The negative terminal of a battery
Terminal negatif bateri

C The electrode that is connected to a positive terminal of the battery
Elektrod yang disambungkan kepada terminal positif bateri

D The electrode that is connected to a negative terminal of the battery
Elektrod yang disambungkan kepada terminal negatif bateri

7 1. The following ionic equation shows the reaction between Pb2+ and SO42- ions.
Berikut adalah persamaan ion bagi tindakbalas antara ion Pb2+ dan ion SO42-

Pb2+ + SO42- PbSO4 ∆ H = - 50 kJmol-1

Which of the following is true about the above equation ?
Antara berikut yang manakah benar tentang persamaan diatas ?

A Endothermic reaction occurs
Tindakbalas endotermik berlaku

B Heat is released to the surroundings
Haba dibebaskan ke persekitaran

C The temperature of the product decreases
Suhu hasil tindakbalas berkurang .

D 50 kJ of heat absorbed when 1 mole of lead sulphate is formed .
50 kJ haba diserap apabila 1 mol plumbum sulfat terbentuk .

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

4

8 Which substance is commonly used to manufacture dyes and detergents?
Bahan manakah biasa digunakan untuk menghasilkan pewarna dan detergen?

A Sodium chloride
Natrium klorida

B Ammonium chloride
Ammonium klorida

C Phosphoric acid
Asid fosforik

D Sulphuric acid
Asid sulfurik

9 Which of the following shows a property of covalent tetrachlorobenzene?
Antara berikut, yang manakah menunjukkan sifat kovalen tetraklorometana?

A Soluble in water.
Larut di dalam air.

B Insoluble in organic solvent.
Tidak larut di dalam pelarut organik.

C Able to conduct electricity in aqueos state.
Boleh mengkonduksikan elektrik dalam keadaan akueus.

D Need a little heat energy to break the bonds in it.
Memerlukan tenaga haba yang sedikit untuk memutuskan ikatan.

10 Table shows information about three simple cells.
Jadual menunjukkan maklumat bagi tiga sel ringkas.

Pair of metals Potential difference / V Metal at negative terminal
Pasangan logam Beza keupayaan / V Logam pada terminal negatif
0.45
X and P X
X dan P 1.30
R and P R
R dan P 0.56
Z and P P
Z dan P Table
Jadual

What is the potential difference of the pair of metals R and Z ?
Apakah nilai beza keupayaan bagi pasangan logam R dan Z ?
A 0.85
B 1.01
C 1.86
D 2.31

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

5

11 Diagram shows the reaction between magnesium ribbon and glacial ethanoic acid.
Rajah menunjukkan tindak balas antara pita magnesium dan asid etanoik glasial.

Glacial ethanoic acid
Asid etanoik glasial

Magnesium ribbon
Pita magnesium

No changes are observed after the reaction.
What should be done in order to make the bubble of gas released?
Tiada perubahan kelihatan selepas tindak balas.
Apakah yang perlu dilakukan untuk menjadikan gelembung- gelembung gas di bebaskan?

A Cut magnesium ribbon into small pieces
Potong pita magnesium kepada kepingan- kepingan kecil.

B Substitute magnesium ribbon with zinc powder
Gantikan pita magnesium dengan serbuk zink

C Shake vigorously the mixture
Goncang dengan kuat campuran

D Add water to the mixture
Tambah air pada campuran

12 Heating of M oxide produces a product which is yellow when hot and white when cold.
What is M?
Pemanasan oksida M menghasilkan suatu bahan yang berwarna kuning semasa panas dan berwarna
putih semasa sejuk.
Apakah M?

A Lead
Plumbum

B Zinc
Zink

C Copper
Kuprum

D Magnesium
Magnesium

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

6

13 Substance R is used to manufacture the body frame of a racing bike.
Substance R has the following properties:
Bahan R digunakan untuk menghasilkan binaan kerangka basikal lumba
Bahan R mempunyai ciri berikut:

Resistant to corrosion, Strong, Light
Tahan kakisan, Kuat, Ringan

What is substance R?
Apakah bahan R?

A Steel
Keluli

B Duralumin
Duralumin

C Cupro-nickel
Kupro-nikel

D Stainless steel
Keluli nirkarat

14 Diagram shows four chemical reactions which are P, Q, R and S
Rajah menunjukkan empat tindak balas kimia iaitu P, Q, R dan S

Reaction Reactants
Tindak balas Bahan tindak balas

P Potassium hydroxide with dilute sulphuric acid
Kalium hidroksida dengan asid sulfurik cair

Q Zinc and copper (II) sulphate
Zink dan kuprum (II) sulfat

R Silver nitrate with sodium chloride solution
Argentum nitrat dengan larutan natrium klorida

S Calcium carbonate with dilute hydrochloric acid
Kalsium karbonat dengan asid hidroklorik cair

Which of the following reaction, can the rate of reaction be determined by measuring the change in the
volume of gas?

Antara tindak balas berikut, yang manakah kadar tindak balas ditentukan dengan mengukur perubahan

isipadu gas?
A Reaction P

Tindak balas P

B Reaction Q

Tindak balas Q
C Reaction R

Tindak balas R

D Reaction S
Tindak balas S

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

7

15 The following information is about compound P
Maklumat berikut adalah tentang sebatian P

 organic compound
sebatian organik

 act as antiseptic
bertindak sebagai antiseptik

Which structural formula represent compound P?
Formula struktur manakah yang mewakili sebatian P ?

A HH
||

H–C=C–H

B HH
||

H–C- C–OH
||
HH

C HO
| ||

H–C- C–OH
|
H

D HO H

| || |

H – C – C –O – C – H

||

HH

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

8

16 Compound Y has undergoes this changes during reaction.
Sebatian Y mengalami perubahan berikut semasa tindak balas.

 conducts electricity in aqueous solution
mengkonduksi arus elektrik dalam larutan

 changes colour from purple to colorless
berubah warna dari ungu ke tidak berwarna

Which of the following is the best represented compound Y?
Yang manakah antara yang berikut paling tepat mewakili sebatian Y?

A Iodine
Iodin

B Potassium bromide
Kalium bromida

C Acidified potassium manganate (VII) solution
Larutan kalium manganat (VII) berasid

D Hydrogen sulphide
Hidrogen sulfida

17 Table below shows the heat of combustion of three different alcohols .
Jadual di bawah menunjukkan haba pembakaran bagi tiga jenis alkohol berbeza.

Alcohol Heat of combustion / kJmol-1
Alkohol Haba pembakaran / kJmol-1
C2H5OH
C4H9OH -1370
C5H11OH -2670
-3330

Which of the following factors increases the heat of combustion of alcohols ?
Antara faktor berikut, yang manakah meningkatkan haba pembakaran alkohol ?
A Size of molecules decreases

Saiz molekul berkurang
B Number of carbon atoms per molecule increases

Bilangan atom karbon per molekul bertambah
C Number of oxygen atoms per molecule increases

Bilangan atom oksigen per molekul bertambah
D Number of hydrogen atoms per molecule decreases

Bilangan atom hidrogen per molekul berkurang

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

9

18 The diagram shows a label on a bottle of apple juice.
Rajah menunjukkan satu label pada sebotol jus epal.

POPULAR APPLE JUICE
Ingredients : water, X, sugar, sulphur
dioxide, aspartame, vitamin A & D

JUS EPAL POPULAR
Bahan : air, X, gula, sulfur dioksida,

aspartam, vitamin A & D

X is an important ingredient added to make the juice last longer. What is X.
X adalah bahan penting yang ditambahkan supaya jus epal tahan lebih lama. Apakah X?

A Sodium chloride
Natrium klorida

B Ethanoic acid
Asid etanoik

C Ascorbic acid
Asid askorbik

D Sodium citrate
Natrium sitrat

19. Which of the following contains the same number of molecules as in 3.6 g water?
[Relative atomic mass: H = 1; C = 12; O = 16; S = 32; I = 127]
Antara yang berikut, yang manakah mempunyai bilangan molekul yang sama seperti yang terdapat dalam
3.6 g air?
[Jisim atom relatif: H = 1; C = 12; O = 16; S = 32; I = 127]

A 25.4 g of iodine
25.4 g iodin

B 3.2 g of oxygen gas
3.2 g gas oksigen

C 8.8 g of carbon dioxide
8.8 g karbon dioksida

D 9.6 g of sulphur dioxide
9.6 g sulfur dioksida

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

10

20 Baking powder contains sodium hydrogen carbonate. It reacts with hydrocloric acid to release...
Serbuk penaik mengandungi natrium hidrogen karbonat. Ia bertindak balas dengan asid hidroklorik untuk
membebaskan ....

A hydrogen
hidrogen

B nitrogen
nitrogen

C carbon dioxide
karbon dioksida

D nitrogen dioxide
nitrogen dioksida

21 Table below shows the observations for three tests on solution X.
Jadual di bawah menunjukkan pemerhatian bagi tiga ujian ke atas larutan X.

Test Observation
Ujian Pemerhatian
I Add sodium hydroxide solution until excess White precipitate which dissolves in excess
Tambah larutan natrium hidroksida sehingga sodium hydroxide solution
berlebihan Mendakan putih larut dalam larutan natrium
hidroksida berlebihan
II Add ammonia solution until excess White precipitate which dissolves in excess
Tambah larutan ammonia sehingga berlebihan ammonia solution
Mendakan putih larut dalam larutan
III Add 2cm3 of dilute nitric acid and few drops of ammonia berlebihan
silver nitrate solution
Tambah 2cm3 asid nitrik cair dan beberapa titis White precipitate formed
larutan argentum nitrat Mendakan putih terbentuk
Table
Jadual

What is the solution X?
Apakah larutan X?

A Zinc sulphate
Zink sulfat

B Zinc chloride
Zink klorida

C Aluminium chloride
Aluminium klorida

D Aluminium sulphate
Aluminium sulfat

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

11

22 The following chemical equation represents the Haber Process.
Persamaan kimia berikut mewakili Proses Haber.

3H2 + Catalyst: Iron 2NH3
Mangkin: Besi

N2
4500C, 200 atm

Which of the following is the characteristic of iron as catalsyt in the process?
Antara berikut yang manakah menunjukkan ciri-ciri besi sebagai mangkin dalam proses tersebut ?

A Iron increases the quantity of the ammonia produced
Besi meningkatkan kuantiti ammonia yang terhasil

B Iron helps to increase the production of ammonia
Besi membantu meningkatkan penghasilan ammonia

C The amount of iron decreases at the end of the process
Jumlah besi berkurangan pada akhir tindak balas

D Iron chemically changed at the end of reaction

Besi berubah secara kimia pada akhir tindak balas

23 Table shows information about few esters.
Jadual menunjukkan maklumat tentang beberapa ester.

Formula Odour
Formula Bau
CH3COOC5H11
Banana
C3H7COOC2H5 Pisang

CH3COOC8H17 Pineapple
Nanas
C3H7COOC5H11
Orange
Oren

Apricot
Aprikot

Carbon dioxide gas and water will formed when the ester burnt completely in oxygen .
Which ester will produce highest volume of carbon dioxide gas during combustion of 1 mole of each

ester ?

Gas karbon dioksida dan air akan terbentuk jika ester terbakar dengan lengkap dalam oksigen.

Ester manakah akan menghasilkan isipadu gas karbon dioksida yang paling banyak semasa
pembakaran 1 mol setiap ester?

A Banana
Pisang

B Pineapple
Nanas

C Orange
Oren

D Apricot
Aprikot

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

12

24 What is the oxidation number of chromium in K2Cr2O7?
Apakah nombor pengoksidaaan bagi kromium dalam K2Cr2O7?
A +6
B +3
C +2
D +1

25 The following diagram show energy level diagram for a displacement reaction.
Rajah berikut adalah gambar rajah aras tenaga bagi suatu tindak balas penyesaran.

Calculate the heat change when 50 cm3 of 1.0 mol dm-3 copper(II) sulphate solution reacts with excess
zinc
Hitung perubahan haba apabila 50 cm3 larutan kuprum(II) sulfat 1.0 mol dm-3 bertindak balas dengan
zink berlebihan.
A 10.5 kJ
B 105 kJ
C 420 kJ
D 4200 kJ

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

13

26 The information of an element R is as follows:
Maklumat berikut adalah berkaitan dengan unsur R

Can be used as a catalyst
Boleh digunakan sebagai mangkin

Able to form a complex ion
Boleh membentuk ion kompleks

Has more than one oxidation number
Mempunyai lebih dari satu nombor pengoksidaan

Which of the following is element R, based on the information ?
Berdasarkan maklumat di atas, manakah unsur R ?

A Beryllium
Berilium

B Manganese
Mangan

C Silicone
Silikon

D Potassium
Kalium

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

14

27. Table shows the observation of electrolysis of a substance using carbon electrode .
Jadual menunjukkan pemerhatian bagi elektrolisis suatu bahan menggunakan elektrod karbon.

Electrode Observation
Elektrod Pemerhatian
Anode A greenish-yellow gas released
Anod Gas berwarna kuning kehijauan terbebas
A colorless gas which produced ‘pop’ sound when tested with lighted
Cathode wooden splint is released
Katod Gas yang tidak berwarna dan terbakar dengan bunyi ’pop’ apabila diuji
dengan kayu uji menyala terbebas

The electrolyte maybe
Elektrolit itu mungkin

A Zinc chloride solution.
Larutan zink klorida

B Dilute hydrochloric acid
Asid hidroklorik cair

C 2.0 mol dm-3 sodium chloride solution.
Larutan natrium klorida 2.0 mol dm-3

D 0.001 mol dm-3 copper(II) chloride solution
Larutan kuprum (II) klorida 0.001 mol dm-3

28 Diagram shows part of a structure of a polymer.
Rajah menunjukkan struktur sebahagian suatu polimer.

Identify the monomer of the polymer. [Lihat halaman sebelah
Kenalpasti monomer bagi polimer tersebut. SULIT
A CH2 = CH2
B CH3 = CH3
C CH2=CHCH3
D CH3CH=CHCH3

4541/1 © 2018 MPSM Kedah

15

29 Diagram shows the effect of concentration of hydrochloric acid, HCl when react with magnesium ribbon.
The mass of magnesium ribbons and the volume of hydrochloric acid used are the same in beaker A and

beaker B

Rajah menunjukkan kesan kepekatan asid hidroklorik, HCl apabila bertindak balas dengan pita
magnesium. Jisim magnesium dan isipadu asid hidroklorik digunakan adalah sama dalam bikar A dan

bikar B

Beaker A 2.0 mol dm-3 HCl
Bikar A 1.0 mol dm-3 HCl

Beaker A HCl particles
Beaker A Zarah HCl
Magnesium ribbon
Pita magnesium

Beaker B
Beaker B

The reaction in beaker B occurs faster than beaker A because
Tindak balas dalam bikar B berlaku lebih cepat berbanding bikar A kerana

A the total surface area of magnesium exposed to collision increases
jumlah luas permukaan magnesium terdedah kepada perlanggaran bertambah

B hydrochloric acids gain more energy and move faster
asid hidroklorik menerima lebih banyak tenaga dan bergerak dengan lebih pantas

C the number of hydrogen ion per unit volume increases
bilangan ion hidrogen per unit isipadu bertambah

D the activation energy of the reaction becomes lower
tenaga pengaktifan tindak balas menjadi lebih rendah

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

16

30 Diagram shows the structure of vegetable oil and its product in a process .
Rajah menunjukkan struktur minyak tumbuhan dan hasilnya dalam suatu proses.

O
||
CH2 –O – C – (CH2)7 – CH = CH – ( CH2)7 –CH2

O
||
CH2 –O – C – (CH2)7 – CH = CH – ( CH2)7 –CH2

O
||
CH2 –O – C – (CH2)7 – CH = CH – ( CH2)7 –CH2

O
||
CH2 –O – C – (CH2)7 – CH2 – CH2 – ( CH2)7 –CH2

O
||
CH2 –O – C – (CH2)7 – CH2 – CH2 – ( CH2)7 –CH2

O
||
CH2 –O – C – (CH2)7 – CH2 – CH2 – ( CH2)7 –CH2

Choose the best condition to conduct the process
Pilih keadaan paling sesuai untuk menjalankan proses tersebut.

Temperature Catalyst
Suhu Mangkin

A 180°C Palladium
Palladium
B 180°C
Nickel
C 300°C Nikel

D 300°C Palladium
Palladium

Nickel
Nikel

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

17

31 The diagram below shows the electrolysis process of copper(II) sulphate solution using copper as an
electrode.
Rajah di bawah menunjukkan proses elektrolisis kuprum (II) sulfat dengan menggunakan kuprum
sebagai elektrod.

Which of the following substances are oxidised and reduced in the above cell?
Bahan manakah berikut dioksidakan dan diturunkan dalam sel di atas?

Oxidised Reduced
dioksidakan diturunkan

A Copper atom Copper(II) ion
Atom kuprum Ion kuprum(II)

B Copper atom Hydrogen ion
Atom kuprum Ion hidrogen

C Hydrogen ion Copper(II) ion
Ion hidrogen Ion kuprum(II)

D Hydrogen ion Copper atom
Ion hidrogen Atom kuprum

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

18

32 The reaction between nitrogen and oxygen is shown in the equation below.
Tindakbalas antara nitrogen dan oksigen adalah seperti persamaan di bawah.

N2(g) + 2O2 (g) 2NO2 (g) ∆H = + 66 kJ mol−1

I The reaction releases heat
Tindakbalas itu membebaskan haba

II 33 kJ of heat is absorbed from the formation of 1 mole of nitrogen dioxide.
33 kJ tenaga diserap daripada pembentukan 1 mol nitrogen dioksida..

III The activation energy of the reaction is 66 kJ mol – 1
Tenaga pengaktifan tindakbalas ini adalah 66 kJ mol – 1

IV The energy content of nitrogen dioxide gas is higher than the sum of the energy content of
nitrogen gas and oxygen gas.
Jumlah kandungan tenaga nitrogen dioksida adalah lebih tinggi daripada jumlah kandungan
tenaga gas nitrogen dan gas oksigen

Which of the following statement is true of the reaction?
Antara kenyataan berikut yang manakah benar ?.
A I and II
B II and III
C II and IV
D III and IV

33 Table below shows elements R, S and T found in Period 3 of the Periodic Table.
Jadual menunjukkan unsur R, S dan T yang terdapat dalam Kala 3 Jadual Berkala.

Elements R S T
Unsur
Amphoteric Acidic Base
Properties of oxide Amfoterik Asid Bes
Sifat oksida

Arrange the elements above in the order of their increasing proton number.
Susunkan unsur di atas mengikut urutan menaik berdasarkan kepada pertambahan nombor proton.

A R, S ,T

B S, R, T

C T, R, S
D S, T, R

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

19

34 Diagram shows the electron arrangements of X atom and Y ion. X and Y are not the actual symbols of
the elements.
Rajah menunjukkan susunan elektron bagi atom X dan ion Y. X dan Y bukan simbol sebenar bagi
unsur tersebut.

XY

Which pair of formula and the type of compound is correct?
Pasangan formula dan jenis sebatian manakah yang betul?

Formula Type of bond
Formula Jenis ikatan
A XY4
Ionic
B X4Y Ion

C XY4 Ionic
Ion
D X4Y
Covalent
Kovalen

Covalent
Kovalen

35 The following equation represents a reaction between magnesium metal and sulphuric acid. What is the
name of the salt and its solubility in water?
Persamaan berikut mewakili tindak balas antara magnesium dan asid sulfurik.
Apakah nama bagi garam itu dan keterlarutannya dalam air?

Mg + 2H2SO4 salt + hydrogen
Mg + 2 H2SO4 garam + hidrogen

Name of salt Solubility in water
Nama garam Keterlarutan dalam air
A Magnesium sulphate
Magnesium sulfat Soluble
Larut
B Magnesium oxide
Magnesium oksida Insoluble
Tidak larut
C Magnesium oxide
Magnesium oksida Soluble
Larut
D Magnesium sulphate
Magnesium sulfat Insoluble
Tidak larut

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

20

36 Diagram below shows four stages in the conversion of sulphur to sulphuric acid.
Rajah dibawah menunjukkan empat peringkat dalam pertukaran sulfur kepada asid sulfurik.

Sulphur Stage I Sulphur dioxide Stage II Sulphur trioxide
Sulfur Peringkat I Sulfur dioksida Peringkat II Sulfur trioksida

Air Air
Udara Udara

Stage III Sulphuric

Peringkat III acid
Asid sulfurik
Stage IV

Sulphuric acid Peringkat IV Oleum
Asid sulfurik
Water Oleum

Air

In which stage is a catalyst used?
Dalam peringkat manakah mangkin digunakan ?

A Stage I
Peringkat I

B Stage II
Peringkat II

C Stage III
Peringkat III

D Stage IV
Peringkat IV

37 Diagram shows a graph of the mass of the conical flask and its contents against time, when the conical
flask containing excess dilute nitric acid is weighed after magnesium ribbon is added.
Rajah menunjukkan graf jisim kelalang kon dan kandungannya melawan masa., apabila kelalang kon
mengandungi asid nitrik cair berlebihan ditimbang selepas pita magnesium ditambah.

Total mass of the conical flask and its contents / g
Jumlah jisim kelalang kon dan kandungannya / g

Time / s
Masa /s

At what time the rate of reaction is the highest?
Pada masa manakah kadar tindak balas adalah paling tinggi?

A 10
B 20
C 40
D 60

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

21

38 Diagram shows combustion of two type of hydrocarbons, A and B with same number of carbon atom per
molecule.
Rajah menunjukkan pembakaran dua jenis hidrokarbon, A dan B yang mempunyai bilangan atom
karbon per molekul yang sama.

Porcelain
dish

Mangkuk
porcelin

AB
Choose the correct statement.
Pilih pernyataan yang betul.
A Hydrocarbon A more soluble in water than hydrocarbon B.

Hidrokarbon A lebih larut dalam air daripada hidrokarbon B.
B Hydrocarbon B can be obtained from hydrocarbon A.

Hidrokarbon B boleh diperolehi daripada hidrokarbon A.
C Hydrocarbon A decolourise brown colour bromine water but hydrocarbon B cannot.

Hidrokarbon A menyahwarnakan warna perang air bromin tetapi hidrokarbon B tidak.
D Hydrocarbon B decolourise purple acidified potassium manganate (VII) solution but hydrocarbon

A cannot .
Hidrokarbon B menyahwarnakan larutan ungu kalium manganat (VII) berasid tetapi
hidrokarbon A tidak.

39 Figure below shows the set-up of apparatus used to electroplate an iron key with silver.
Rajah di bawah menunjukkan susunan radas yang digunakan untuk menyadur kunci besi dengan perak.

Rheostat
Reostat

Silver electrode Iron key
Elektrod argentum Kunci besi

Silver sulphate
solution
Larutan argentum
Sulfat

Anode Cathode
Anod Katod
A Silver electrode becomes thinner Silvery deposits formed
Elektrod berwarna perak menjadi nipis Enapan berwarna perak terbentuk
B Silvery deposits formed Silver electrode becomes thicker
Enapan berwarna perak terbentuk Elektrod argentum menjadi tebal
C Silvery deposits formed Gas bubbles released
Enapan berwarna perak terbentuk Gelembung gas terhasil
D Silver electrode becomes thinner Gas bubbles released
Elektrod argentum menjadi nipis Gelembung gas terhasil

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

22

40. 0.40 g M metal reacts with fluorine to produce 0.78 g of M fluoride. What is the empirical formula of
the M fluoride.
[Relative atomic mass: F = 19; M = 40]
0.40 g logam M bertindak balas dengan florin untuk menghasilkan 0.78 g M fluorida. Apakah formula
empirik bagi M fluorida itu.
[Jisim atom relatif: F = 19; M = 40]
A MF
B MF4
C M2F
D MF2

41. 3.2 g gas X occupies 1120 cm3 at standard temperature and pressure (STP)
What is the relative molecular mass of X?
[Molar volume of gas at STP = 22.4 dm3 mol-1]
3.2 g gas X menempati 1120 cm3 pada suhu dan tekanan piawai (STP).
Berapakah jisim molekul relatif bagi X?
[Isi padu molar gas pada STP = 22.4 dm3 mol-1]

A 16
B 32
C 64
D 70

42 Statement below show the group one element in a periodic table
Kenyataan di bawah menunjukkan unsur kumpulan satu dalam jadual berkala unsur

Li Na K Rb Cs Fr

The reactivity of elements in Group 1 increases when going down the group. Why ?
Kereaktifan unsur-unsur dalam Kumpulan 1 bertambah apabila menuruni kumpulan. Mengapa?

A Atomic size decreases
Saiz atom berkurang

B The melting and boiling point decreases
Takat lebur dan didih berkurang

C The number of shells containing electrons increases
Bilangan petala yang mengandungi elekton bertambah

D Nuclei charge decreases
Cas nuklei berkurang

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

23

43 Table shows the melting and boiling points of compounds W, X, Y and Z. Which of the compound
is liquid at room temperature?
Jadual menunjukkan takat lebur dan takat didih sebatian W, X, Y dan Z. Antara sebatian
tersebut, yang manakah cecair pada suhu bilik?

Compund Melting point ( °C ) Boiling point ( °C )
Sebatian Takat lebur ( °C ) Takat didih ( °C )

W -35 10
X 45 240
Y -255 -170
Z 15 130

AW
BX
CY
DZ

44 The following equation shows the reaction between magnesium oxide and nitric acid.
Berikut menunjukkan persamaan bagi tindak balas antara magnesium oksida dan asid nitrik.

MgO + 2HNO3  Mg(NO3)2 + H2O

2.0 g magnesium oxide is added to 50.0 cm3 of 1.0 mol dm-3 nitric acid.
What is the mass of magnesium oxide left at the end of the reaction?

2.0 g magnesium oksida ditambah kepada 50.0 cm3 asid nitrik 1.0 mol dm-3.
Apakah jisim magnesium oksida yang tinggal pada akhir tindak balas?

[Relative atomic mass: O = 16, Mg = 24]
[Jisim atom relatif : O= 16, Mg = 24]

A 0.4 g

B 0.8 g
C 1.0 g
D 1.4 g

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

24

45 ‘Barium meal’ is a barium sulphate salt which is given to a patient that suffer stomach ache.
Which substances cannot be used to produce this salt?
‘Barium meal’ adalah garam barium sulfat yang diberikan kepada pesakit yang mengalami sakit
perut.
Bahan manakah yang tidak boleh digunakan untuk menghasilkan garam ini?

A Barium chloride and sodium sulphate
Barium klorida dan natrium sulfat

B Barium nitrate and sodium sulphate
Barium nitrat dan natrium sulfat

C Barium hydroxide and potassium sulphate
Barium hidroksida dan kalium sulfat

D Barium carbonate and potassium sulphate
Barium karbonat dan kalium sulfat

46 Diagram shows a graph of the total volume of hydrogen gas against time for Experiment I and
Experiment II.

Rajah menunjukkan graf jumlah isipadu gas hidrogen melawan masa bagi Eksperimen I dan

Eksperimen II

Total volume of hydrogen gas / cm3
Jumlah isipadu gas hidrogen / cm3

Experiment I
Eksperimen I

Experiment II
Eksperimen II

Time / s
Masa /s

In the experiments excess zinc powder is reacted with different volumes and concentrations of
hydrochloric acid. Which of the following conditions of acid will produce the above graph?

Dalam eksperimen tersebut serbuk zink berlebihan ditindak balaskan dengan isipadu dan

kepekatan asid hidroklorik yang berbeza. Antara keadaan asid berikut yang manakah
menghasilkan graf diatas?

Experiment I Experiment II

Eksperimen I Eksperimen II
Volume / cm3 Concentration / mol dm-3 Volume / cm3 Concentration / mol dm-3
Isipadu / cm3 Kepekatan / mol dm-3 Isipadu / cm3 Kepekatan / mol dm-3

A 50 2.0 50 1.0

B 25 2.0 50 1.0

C 50 1.0 50 2.0

D 100 2.0 50 2.0

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

25

47 When hydrogen chloride and ammonia diffuse, a white cloud of ammonium chloride is
formed.
Where in the tube will the white cloud form?
[Relative molecular mass : HCl = 36.5 ; NH3 = 17]

Apabila hidrogen klorida dan ammonia meresap, satu kepulan putih ammonium klorida
terbentuk.
Di manakah kepulan putih itu akan terbentuk di dalam tabung uji berikut?
[Jisim molekul relatif : HCl = 36.5 ; NH3 = 17]

ABC D

Concentrated hydrochloric acid Concentrated ammonia solution
Asid hidroklorik pekat Larutan ammonia pekat

48. The following equation represents the complete combustion of butane gas.

[Relative atomic mass: H = 1; C = 12; O = 16, 1 mole of gas ocupies 24 dm3 at stp]
Persamaan berikut mewakili pembakaran lengkap gas butana.
[Jisim atom relatif: H = 1; C = 12; O = 16, 1 mol gas menempati 24 dm3 pada stp]

2C4H10 + 13O2 8CO2 + 10H2O

Which of the following about the reaction is true?
Antara pernyataan berikut benar tentang tindak balas itu ?

I Combustion of 0.1 mol butane produce 9.0 g water
Pembakaran 0.1 mol butana menghasilkan 9.0 g air

II Combustion of 13.2 g of butane requires 14.4 g of oxygen
Pembakaran 13.2 g butana memerlukan 14.4 g oksigen

III Combustion of 1 mol of butane produces 5 mol of water
Pembakaran 1 mol butana menghasilkan 5 mol air

IV Combustion of 0.7 mol of butane produces 67.2 dm3 carbon dioxide gas at STP
Pembakaran 0.7 mol butana menghasilkan 67.2 dm3 karbon dioksida pada STP

A I and II C II and IV
I dan II II dan IV

B I and III D I, III and IV
I dan III I, III dan IV

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT

26

49 Which of the following are correct about the organic solvent and their uses.
Antara yang berikut, yang manakah betul tentang pelarut organik dan kegunaannya.

Organic solvent Uses
Pelarut organik Kegunaan
A Chloroform Affix the plastic surface.
Kloroform Melekatkan permukaan plastik

B Turpentine Making cosmetic materials
Turpentin Membuat bahan kosmetik
Affix the pieces of rubber
C Ether Melekatkan kepingan getah
Eter
Dissolving the paint
D Benzene Melarutkan cat
Benzena

50 The diagram shows particles arrangement of a substance at two different temperatures.
Rajah menunjukkan susunan zarah suatu bahan pada dua suhu yang berbeza

At (-167 °C) At (-100 °C)
Pada (-167 °C) Pada (-100 °C)

What is the melting point and boiling point of the substance ?
Apakah takat lebur dan takat didih bahan itu?

Melting point / oC Boiling point / oC
Takat lebur / oC Takat didih / oC
A -175
-114
B -155
-107
C -183
-90
D -115
-80

END OF QUESTION PAPER
KERTAS SOALAN TAMAT

4541/1 © 2018 MPSM Kedah [Lihat halaman sebelah
SULIT