1.

Which one of the following principle has been used in the zone melting method?

A. Impurities concentrate in the solid than in liquid phase
B. Impurities concentrate in the liquid phase than in gaseous phase
C. Impurities concentrate in the liquid phase than in the solid phase
D. Impurities concentrate in the gaseous phase than in the solid phase
Answer» D. Impurities concentrate in the gaseous phase than in the solid phase


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