Multiple choice

____ is based on the phenomenon of electrolysis.

  1. Electrolytic refining

  2. Liquation

  3. Distillation

  4. Poling
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A Correct answer
Explanation

The refining of a metal (such as copper) by electrolysis, in which the crude metal used as the anode goes into solution and the pure metal is deposited upon the cathode is called electrolytic refining.

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