MetallurgyHardBloom L3

Question

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

Options

A.FeS
B.CO
C.Cu2S
D.SO2

Solution

Sol. Self reduction of Copper :

Cu2S + O2 → Cu2O

Cu2S + O2 → CuSO4

Cu2S + Cu2O → Cu + SO2

Cu2S + CuSO4 → Cu + SO2

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