Q5Multiple choice
Zone refining is based on the principle that ___________.
- (i)impurities of low boiling metals can be separated by distillation.
- (ii)impurities are more soluble in molten metal than in solid metal.
- (iii)different components of a mixture are differently adsorbed on an adosrbent.
- (iv)vapours of volatile compound can be decomposed in pure metal.
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(ii) impurities are more soluble in molten metal than in solid metal.