Question:

The process of zone refining is used in purification of

Updated On: Apr 2, 2024
  • Si
  • Al
  • Ag
  • Cu
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The Correct Option is D

Solution and Explanation

Zone-refining is a method is obtain metals of very high purity. Metals like $Si,\,Ge,\,Ga$ etc., used in semiconductors devices are purified by this method
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Concepts Used:

Refining

Refining is an industrial process of reducing the impurities of a substance. In simpler terms, refining is a process of purification of metals to remove the impurities from them to obtain the metals in the purest form.

Refining Methods of Metals

There are various methods used in the refining process of metals. They are listed below-

  • Distillation
  • Liquidation
  • Poling
  • Oxidation
  • Electrolytic refining
  • Zone refining
  • Vapour phase refining
  • Van-Arkel method
  • Chromatographic method

Check: Zone Refining