Chemistry-
General
Easy
Question
‘Lapis–Lazuli’ is a blue coloured precious stone. It is mineral of the class
- (a) Sodium–alumino silicate
- Zinc cobaltate
- (c) Basic copper carbonate
- Prussian blue
The correct answer is: (a) Sodium–alumino silicate
Lapis lazuli is the aluminium silicate present in earth rocks as blue stone.
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