Question

3.The extraction of metals from their ores by electrolysis is called:

(a) electroplating

(b) electrometallurgy

(c) electro refining

(d) none​

Answer 1

Answer:

Bioleaching is used to extract small quantities of metals from mining waste heaps. Electrolysis can be used to extract the metal from the leachate solution produced during the process.

Explanation:

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Answer 2

Answer:

(c) electro refining

Explanation:

Refining of a metal (such as copper) by electrolysis, the crude metal used as the anode going into solution and the pure metal being deposited upon the cathode. — called also electrolytic refining.

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