Mass Transfer
'ADDUCTS' and 'CLATHRATES' are used in case of

None of these
Extractive distillation
Absorption
Crystallisation

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Mass Transfer
Dew point of an air-water vapor mixture

All of the listed here
Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve
At constant humidity & total pressure is fixed
Decreases with decrease in pressure

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