Question

refining of crude metal​

Answer 1

Explanation:

There are several methods of refining, or purifying, metals. These methods include: Distillation, which involves vaporizing the metal and then allowing it to solidify outside of the impurities. Liquation, which involves melting the metal, and allowing it to run out of the solid impurities.

Answer 2

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There are several methods of refining, or purifying, metals. These methods include: Distillation, which involves vaporizing the metal and then allowing it to solidify outside of the impurities. Liquation, which involves melting the metal, and allowing it to run out of the solid impurities.