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The method of zone relining of metal is ...

The method of zone relining of metal is based on the principle of `AIFMIT-2003)`

A

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

B

greater solubility of pure metal than that of the 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
The method is based on greater solubility of impurity in the molten state than in the solid.
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