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  4. The distillation technique most suited for separating glycerol from spent-lye in the soap industry is

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Q. The distillation technique most suited for separating glycerol from spent-lye in the soap industry is

NTA AbhyasNTA Abhyas 2022

Solution:

Glycerol (B.P. 290°C) is separated from spent lye in the soap industry by distillation under reduced pressure, as for simple distillation very high temperature is required which might decompose the component.