Mass Transfer
A minimum boiling azeotrope is exemplified by

Acetone-carbon disulphide
None of these
Toluene-benzene
Water-isobutyl alcohol

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Mass Transfer
In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because

Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition
Saturated steam is used for steam distillation
Total pressure is less
Temperature is less

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Mass Transfer
In case of an absorber, the operating

Velocity is more than the loading velocity
Line always lies below the equilibrium curve
Line can be either above or below the equilibrium curve
Line always lies above the equilibrium curve

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