Duringelectrolyticrefiningof copper,somemetalspresent asimpuritysettle – InterviewSolution

1.	Duringelectrolyticrefiningof copper,somemetalspresent asimpuritysettle as 'anodemud '. Theseare
Answer» SN and Ag Pb and Zn Agand Au Feand NI SOLUTION :Agand Au do notreactwith` CU SO_4+H _2 SO_4`solution.

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