A) glass made up of water
B) ammonium benzoate
C) sodium silicate
D) calcium silicate
Correct Answer: C
Solution :
Water glass or soda glass \[(N{{a}_{2}}Si{{O}_{3}})\] and small amount of \[CaSi{{O}_{3}}.\]It is the cheapest and the most common form of glass wares. It is prepared by fusing soda ash, sand and lime stone. Thus glass is brittle (break easily) and is used for making window glass, mirror, common glass wares etc.
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