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In which of the following form does sili...

In which of the following form does silicon exist as silica, `SiO_(2)` ?

A

Cristobalite

B

Tridymite

C

Quartz

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
Silicon dioxide occurs in a number of different crystalline forms: quartz, tridymite, and cristobalite, each of which has a high and a low temperature modification.
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