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Extraction of copper from copper pyrite ...

Extraction of copper from copper pyrite `(CuFeS_(2))` involves

A

Crshing followed by concentration of the ore by froth -flotation

B

Removel of iron as slag

C

Self -reducaton step to produce 'slister copper' following evolution of `SO_(2)`

D

Refing of 'blister copper ' by carucation

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