Purification And Characterisation Of Organic Compounds Question 16
Question: ‘Lapis-Lazuli’ is a blue coloured precious stone. It is mineral of the class
[NCERT 1980; AIIMS 1980; BHU 1978, 80]
Options:
A) Sodium-alumino silicate
B) Zinc cobaltate
C) Basic copper carbonate
D) Prussian blue
Show Answer
Answer:
Correct Answer: A
Solution:
Lapis lazuli is the aluminium silicate present in earth rocks as blue stone.
BETA
