Whichstep isnotinvolvedin hydrometallurgical process ? – InterviewSolution

1.	Whichstep isnotinvolvedin hydrometallurgical process ?
Answer» `Cu_ 2S+2 Cu_ 2 Oto6 CU +SO _ 2` ` CuSO_ 4+FetoCu+FeSO_ 4` `Cu FeS_ 2+2H_ 2SO _ 4 toCu SO _ 4+Fe SO _4+2 H_ 2 S ` ` Cu CO _ 3+H _ 2 SO _ 4toCu SO _4+CO_ 2 +H _ 2 O` ANSWER :A

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