1.

The Matte obtained by smelting copper pyrites with coke and sand contains mainly : (a) FeS + ZnS (b) Cu2S + FeS (c) CuS + FeS2 (d) ZnS + CuS

Answer»

Correct option (b) Cu2S + FeS

Explanation:

Copper pyrites on smelting with coke and sand mainly contain a black mixture of Cu2S and a little FeS. (which escapes from oxidation) is obtained. This black mixture is known as ‘‘Matte’’.



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