Mass Transfer
Inside the distillation column, the

Pressure increases gradually from bottom to the top of the column
Driving force for the vapour flow is the pressure drop
None of these
Liquids are not always at their bubble points

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Mass Transfer
Which of the following processes is not an example of adsorption applied to gaseous separations?

Dehumidification of air and gas
Recovery of valuable solvent vapors from dilute mixture with air and other gases
Removal of objectionable odour and impurities from industrial gases
Decolouration of yellow glycerene

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