HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryMetallurgyAchiever Section

Refining of impure copper with zinc impurity is to be done by electrolysis using electrodes as Cathode Anode

A.pure copper

B.pure zinc pure copper

C.pure copper impure copper✓ Correct

D.pure zinc

Explanation

When electrolysis is done the impure sample is made up of anode and the pure metal is the cathode. So, in the electrolysis of copper, the METALLURGY 57 impure copper will be the anode and after electrolysis, the pure copper will be the cathode.

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