In electro-refining of metal the impure metal is made the anode and a – InterviewSolution

1.	In electro-refining of metal the impure metal is made the anode and a strip of pure metal, the cathode, during the electrolysis of an aqueous solution of a complex metal salt. This method cannot be used for retining of
Answer» silver copper aluminium sodium Solution :NA reacts VIGOROUSLY with WATER (exothermic PROCESS )

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