Question

Select the correct statements for alkali silicate glass.

• A. Mixture of sand and soda
• B. Show minimum expansion on heating
• C. Soluble in water
• D. Mixture of sand, soda, limestone and lead oxide

Answer 1

Answer: (A), (C)

The correct options are
A Mixture of sand and soda
C Soluble in water

Alkali silicate glass is produced by heating the mixture of sand and soda. This glass is soluble in water, so it is called as water glass.
Silica glass shows minimum expansion on heating where as alkali silicate glass doesn't.
Mixture of sand, soda and limestone and lead oxide is present in lead glass.