Glycerol is separated in soap industries by :

Glycerol is separated in soap industries by :
  1. Fractional distillation
  2. Differential distillation
  3. Steam distillation
  4. Distillation under reduced pressure

Solution

Glycerol can be separated from spent-lye in soap industry by using Reduce pressure Distillation Technique. 

Asked in: JEE Main 2020 (03 Sep Shift 1)

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