Which step is not involved in hydrometallurgical process ? – InterviewSolution

1.	Which step is not involved in hydrometallurgical process ?
Answer» `Cu_(2)S + 2Cu_(2)O rarr 6 CU + SO_(2)` `CuSO_(4) + Fe rarr Cu + FeSO_(4)` `CuFeS_(2)+2H_(2)SO_(4) rarr CuSO_(4) + FeSO_(4) + H_(2)S` `CuCO_(3) + H_(2)SO_(4) rarr CuSO_(4) + CO_(2) + H_(2)O` Answer :A

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