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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 with the process of auto-reduction.Chemical reaction occurring in this reaction is as followsCu2O+12Cu2S⟶3Cu+12SO2In this process, copper appears as blister copper.
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