Question

Define refining,?
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Answer 1

to make a substance pure and free from other substances.

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Answer 2

Answer:

The Correct Answer is mentioned below

Explanation:

In metallurgy, refining is extremely important. In nature, any metal that has been taken from its ore is usually impure. Crude metal refers to the impure metal that is removed. Refining is the process of eliminating impurities from metals in order to achieve high-purity metals. Impurities are removed from unrefined metal using a variety of processes based on the metal's and impurities' qualities. The following are some of the procedures used in the purification of crude metal:

Distillation

Liquation

Electrolysis

Zone refining

Vapour phase refining

Chromatographic methods