Question

The method of zone relining of metal is based on the principle of `AIFMIT-2003)`
A. greatermothilly of the pure metal from that of the impurity
B. Higher melting poibnt of the impurity then that of the pure metel
C. greaternoble churactior of the solid metal than that of the impurity
D. greater solubilly of the impurity in the molten state then the solid

Answer 1

Correct Answer - d
The method of pacification called zone refining in based on the praciple that the impurities are more solution in the melt then in the solid state of the metal it is very useful the preducing semiconductors and ofter metals of may hight purity