Distillation under reduced pressure is employed for 

Distillation under reduced pressure is used to purify liquids which:

Distillation under reduced pressure is used to purify liquids which :

Distillation under reduced pressure is used to purify liquids which :

Distillation under reduced pressure is used to purity liquid which

Distillation under reduced pressure is generally used to purify those liquids which

Distillation under reduced pressure method is used to purify the liquids in which the liquids

Assertion: Glycerol is purified by distillation under reduced pressure. Reason: Method of distillation under reduced pressure is used to purify liquids having very high boiling points and those, which decompose at or below their boiling points.