1.

Formation of metallic copper from the sulphide ore in the normal thermo-metallur-gical process essentially involves which one of the following reaction ?

Answer»

`CuS + (3)/(2) O_(2) to CuO + SO_(2),`
`CuS +C to CU + CO`
`CuS + (3)/(2) O_(2) to CuO + SO_(2) , `
`2CuO + CuS to 3Cu + SO_(2)`
`CuS + 2O_(2)to CuSO_(4) , `
`CuSO_(4) + CuS to 2Cu + 2SO_(2)`
`CuS + (3)/(2) O_(2) to CuO + SO_(2),`
`CuO + CO to Cu + CO_(2)`

Answer :B


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