Question

write about distillation under reduced pressure ​

Answer 1

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Liquids having very high boiling point or those which decompose on heating are purified by carrying out distillation under reduced pressure. In this method the liquid is made to boil at a temperature which is below its normal boiling point by reducing the pressure on the surface of the liquid. Pressure is reduced using a water pump or vacuum pump. In soap industry glycerol is separated from soap by using this technique

Answer 2

Answer:

Vacuum distillation is a distillation performed under reduced pressure, which allows the purification of compounds not readily distilled at ambient pressure or simply to save time or energy. This technique separates compound based on differences in boiling points.

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