Mass Transfer
Molecular diffusivity of a liquid

Decreases with temperature
Is independent of temperature
Increases with temperature
May increase or decrease with temperature

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

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