Which of the following is not a method of refining of metals?

Electrolysis

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Smelting

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Poling

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Liquation

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Solution

The correct option is A Smelting
Smelting is process in which metal is extracted from its ore by heating and melting. It is not a method of refining metal. Methods of refining metals are electrolysis poling, liquation, zone refining, vapour phase refining, distillation.

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