Chemistry Chapter 8(8.2)

A.Esopthan Rau
Ainesh Avigna

Satissh Narayana
Kagineswary
Pugalventhan
Kasandaran

Tannishtha Nair

 .Hard but brittle
 .Chemically inert
 .Transparent
 .Waterproof
 .Heat insulator
 .Electrical insulator



Fused silica
glass

made from silica
(silicon dioxide, SiO )
without adding any
other chemical.

Soda-lime glass

• made from silica,SiO
,soda (sodium
carbonate,Na CO) and
limestone (calcium
carbonate,CaCO)
• Use to make tube
light,bottles,equipment
s of laboratory and
daily useable domestic
utensil

Borosilicate glass

made from silica, SiO
, soda ,NaCO,
limestone, CaCO
,boron oxide ,Bo and
aluminium oxide, AL
O.

Lead crystal glass

made from silica,SiO ,
soda Na CO and lead ( )
oxide, PbO.
*In making costly glass
containers or vessels

Crown
Glass

Potassium
oxide, Barium
oxide and
Silica
*in making
lenses for eyes

Crooks
Glass

Cerium oxide
,and silica
*in making
lenses

Flint Glass

Potassium
carbonate
*in making of
electric bulbs,
lenses of camera
and telescope