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The method of zone refining of metals is...

The method of zone refining of metals is based on the priniciple of

A

Greater solubility of the impurities in the molten state than in the solid

B

Greater solubility of pure metal than that of impurity

C

Higher melting point of the impurity than that of the pure metal

D

Greater noble character of the solid metal than that of the impurity

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The correct Answer is:
A
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