Question

Pick out the wrong statement about distillation operation

a.

Distillation under vacuum is a substitute for steam distillation.

b.

In differential (simple) distillation, the vapour is removed as soon as it is formed without appreciable condensation.

c.

In flash (equilibrium) distillation, a definite fraction of liquid is vaporised in such a way that the evolved vapour & residual liquids are in equilibrium with each other.

d.

Flash distillation, differential distillation & steam distillation are all continuous distillation processes.

Answer: (d).Flash distillation, differential distillation & steam distillation are all continuous distillation processes.

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Q. Pick out the wrong statement about distillation operation

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