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Preparation of Chlorine

Silica is hea...

Question

Silica is heated with carbon in electric furnace to form :

A

silicon carbonate

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B

silicon carbide or carborundum

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C

silicon monoxide

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D

none

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Solution

The correct option is B silicon carbide or carborundum
When quartz or sand are heated with an excess of coke in an electric arc furnace at $2000 - 2500$ $^{o}$ C silicon carbide or carborundum is formed.
$S i O_{2} + 3 C \to S i C + 2 C O$

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