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Roasting of copper pyrites is done...

Roasting of copper pyrites is done

A

to remove moisture and volatile impurities

B

to oxidise free sulphur

C

to decompose pyrites into `Cu_2S` and FeS

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A, B

Roasting involves to remove volatile impurites
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