Question:

Which of the following methods is useful for producing semiconductor grade metals of high purity?

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For high purity metals used in semiconductors, zone refining is the method of choice due to its ability to remove impurities effectively.
Updated On: Jun 6, 2025
  • Liquation
  • Vapour phase refining
  • Electrolytic refining
  • Zone refining
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The Correct Option is D

Solution and Explanation

Zone refining is used to produce semiconductor-grade metals with high purity. The process involves the movement of a molten zone through the metal, which purifies the metal by segregating impurities.
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