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What do you mean by refining? Mention the methods also.

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What do you mean by refining? Mention the methods also.

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The process of removal of impurities from the crude metal is called refining. The methods are :

  • Distillation 
  • Liquation
  • Electrolytic refining 
  • Zone refining 
  • Van Arkel process 
  • Mond’s process 
  • Chromatographic methods 
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