Question

What is meant by refining of metals? Name the three common methods used for refining.

Answer 1

Refining of metals: It is the further purification of metals obtained by reduction process to remove all the impurities.
Depending upon the nature of metal, nature of impurities and purpose for which metal is to be used.
The three methods used for refining are:

• Liquation.
• Distillation.
• Electrolytic refining.