MetallurgyHard

Question

Roasting of copper pyrites is done :

Options

A.to remove moisture.

B.to oxidise free sulphur and antimony.

C.to convert pyrites completely into Cu₂O and FeO.

D.to remove volatile organic impurities.

Solution

(C) is incorrect statement as 2CuFeS₂ + 4O₂ Cu₂S + 2FeO + 3SO₂.

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