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Question

Which is the crystalline form of silica?
  1. Agate
  2. Jaspar
  3. Onyx
  4. Crystobalite

A
Agate
B
Jaspar
C
Onyx
D
Crystobalite
Solution
Verified by Toppr

Silica (SiO2) occurs in various crystallographic forms such as quartz, crystobalite and tridymite that are interconvertible at suitable temperatures.

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