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Which step is not involved in hydrometal...

Which step is not involved in hydrometallurgical process?

A

`Cu_2S + 2Cu_2O to 6Cu + SO_2`

B

`CuFeS_2 + 2H_2SO_4 to CuSO_4 + FeSO_4 + 2H_2S`

C

`CuSO_4 + Fe to FeSO_4 + Cu`

D

`CuCO_3 + H_2SO_4 to CuSO_4 + H_2O + CO_2`

Text Solution

Verified by Experts

The correct Answer is:
A
Because reactant and product are not in aqueous form.
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