Q.

In the extraction of copper from its sulphide ore, the metal is formed by the reduction of Cu2O with

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a

FeS

b

CO

c

Cu2S

d

SO2

answer is C.

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Detailed Solution

In the extraction of copper from its sulphide ore, the metal is formed by the reduction of Cu2O with Cu2S. This reaction completes by the process of autoredction. Chemical reaction occuring this reaction is as follows Cu2O+12Cu2S→3Cu+12SO2In this process, copper appears as blister copper.
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