1.

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

Answer»

`FeS`
`CO`
`Cu_2S`
`SO_2`

SOLUTION :Copper is obtained by auto REDUCTION (SELFREDUCTION)
`Cu_2O + 1/2 Cu_2S to 3Cu + 1/2 SO_2`


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