1.

Method used for obtaining highly pure silicon used as a semiconductor material, is

Answer»

Oxidation
Electrochemical
Crystallization
Zone refining

Solution :SI obtained by reduction of `SiCl_(4) with H_(2)` is further purified by zone refining method to get Si of very high purity. Silicon is purified by zone-refining process because the impurities PRESENT in it are more soluble in the liquid phase than in the solid phase.


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