Question

If the impurities in a metal has a greater affinity for oxygen and is more easily oxidised than the metal, then the purification of metal may be carried out by
(a) distillation
(b) zone refining
(c) electrolytic refining
(d) cupellation

Answer 1

electrolytic refining

Answer 2

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➡️Correct Option -: C✔️✔️

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