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Regarding silica I) Quartz is amorphou...

Regarding silica
I) Quartz is amorphous form of silica
II) Silica dissolves in NaOH
III) Silica dissolves in HF
The correct combination is 

A

all are correct

B

II & III are correct

C

III are correct

D

I & III are correct

Text Solution

Verified by Experts

The correct Answer is:
B
I) Quartz is a crystalline form
II) Silica is acidic in nature readily react with base
III) Silica is acidic in nature does not react with acids
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