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Question

The method used for refining impure metals is called:


  1. Electrolytic Refining

  2. Electrolytic reduction

  3. Calcination

  4. Corrosion


Solution

The correct option is A

Electrolytic Refining


Electrolytic refining means refining by electrolysis. Metals like copper, zinc, tin, lead, chromium, nickel, silver and gold are refined electrolytically.

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