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Elemental Si in to be used as a semicond...

Elemental `Si` in to be used as a semicondictor is parified by

A

heating under vacuum

B

floatation

C

zone refining

D

electrolysis

Text Solution

Verified by Experts

The correct Answer is:
C
Zone refining is used for metals which are required in very purity. Semiconductor grade silicon is purified by this method (Si, Ge).
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