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Concentration of Ore

The method us...

Question

The method used for refining impure metals is called:

A

Corrosion

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B

Electrolytic Refining

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C

Calcination

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D

Electrolytic reduction

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Solution

The correct option is B
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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