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Silica

Which is the ...

Question

Which is the crystalline form of silica?

A

Agate

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B

Jaspar

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C

Onyx

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D

Crystobalite

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Solution

The correct option is D Crystobalite
Silica ( $S i O_{2}$ ) occurs in various crystallographic forms such as quartz, crystobalite and tridymite that are interconvertible at suitable temperatures.

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