Germanium of very high purity is obtained by
(a) liquation
(b) vapour phase refining
(c) distillation
(d) zone refining
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Option (C)distillation is correct our science madam said to me I Not forgot it
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Answer:
its ZONE REFINING 'D'
Explanation:
The principle on which it is based is that an impure molten metal on gradual cooling will deposit its crystals of pure metal, while the impurities will be left in the remaining part of molten metal.
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