Answer :

Liquids with high boiling point can be purified by simple distillation if they donot decompose under ordinary pressure.
In steam distillation impure compounds are distilled in a current of stream.This is most applicable for solids and liquids.The impurities must satisfy the following conditions to under go steam distillation:
it should not decompose at steam temperature.
It should have high vapour pressure at 373k.
It should be insoluble in water.

Answer:

Distillation is a process used to separate liquids in a mixture based on their relative boiling points. It involves heating a mixture and collecting the vapors or gas that rise from it. ... Steam distillation is a special type of distillation used in temperature-sensitive applications.

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