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MASS TRANSFER

Mass Transfer
Ion exchange process is similar to

Adsorption
Extraction
Leaching
Absorption

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Mass Transfer
Mechanism of moisture removal in case of freeze drying of food stuff is by

Dehydration
Evaporation
Adsorption
Sublimation

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Mass Transfer
The caking of crystals can be prevented by

Maintaining low critical humidity
Both A and C
Coating the product with inert material
Maintaining high critical humidity

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Mass Transfer
In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg)

8.89
8.25
10
6.89

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Mass Transfer
In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.

Extractive
Molecular
Azeotropic
Flash

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