1.

In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with ..........

Answer»

`CO`
`Cu_2O`
`Fe_2O_3`
`SO_2`

SOLUTION :`2Cu_2S + 3O_2 to 2Cu_2O + 2SO_2`
`2Cu_2O + Cu_2S to 6Cu + SO_2`


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