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Q.

Copper matte is formed during the extraction of copper from copper pyrites. Composition of Copper matte is

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a

Equal amounts of  Cu2S &  FeS

b

Mainly Cu2S  and little FeS

c

Mainly CuS and a little  FeS

d

Mainly  FeS and little  Cu2S

answer is C.

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Detailed Solution

Copper matte is mainly Cu2S  with a little FeS;

Principle involved in the formation of copper matte is “copper has greater affinity towards sulphur  and iron towards oxygen”;.

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