Mass Transfer
Flash distillation is suitable for separating the constituents of a binary system, which

Have very wide boiling points
Form constant boiling azeotrope
Have very close boiling points
Form minimum boiling azeotrope

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Mass Transfer
Pick out the wrong statement. Raoult's law does not apply, when the

Attractive forces between like and unlike molecules in the solution are approximately equal
Component molecules are nonpolar
Chemical combination or molecular association between unlike molecules takes place in the formation of solution
Size of component molecules are not equal

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Mass Transfer
For absorbing a sparingly soluble gas in a liquid

Liquid side mass transfer co-efficient should be decreased
Liquid side mass transfer co-efficient should be increased
Mass transfer co-efficient must be kept constant
Gas side mass transfer co-efficient should be increased

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