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Zone refining is based on the principle ...

Zone refining is based on the principle that

A

impurities of low boiling metals can be separated by distillation

B

impurities are more soluble in molten metal than in solid metal

C

different components of a mixture are differently absorbed on an adsorbent

D

vapours of volatile compound can be decomposed into pure metal

Text Solution

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(b) `CaSiO_(3)` is called slag which is fusible and lighter than the molten metal and is removed easily.
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