Which of the following statement is correct regarding Cu extraction?

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In the smelting step, carbon reduction takes places

During roasting, Cu2S remains almost unaffected

In Bessemer converter, only self-reduction occurs, not slag formation.

Blister formed in the blister Cu is due to dissolved CO2

answer is B.

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Detailed Solution

In the extraction of copper, metal is formed in the Bessemer converter due to self reduction asCu2S+2Cu2O→6Cu+SO2

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