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Mass Transfer

Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Thermal
Concentration
Pressure
Force

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Mass Transfer
Which of the following is the most suitable for extraction in a system having very low density difference?

Packed extraction tower
Mixer-settler extractor
Pulsed extractor
Centrifugal extractor

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Mass Transfer
Relative volatility does not change appreciably with the change in

None of these
Vapour pressure of either component
Total pressure
Temperature

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Mass Transfer
Chemisorption (chemical adsorption) is

An irreversible phenomenon
Same as "Van der Waals" adsorption
Characterised by adsorption of heat
A reversible phenomenon

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Mass Transfer
A binary mixture of benzene and cyclohexane is separated by

Ordinary distillation
Extractive distillation
Solvent extraction
Flash vaporisation

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Mass Transfer
Decoction refers to the use of solvent

In its vapor form
At its boiling point
None of these
At ambient temperature

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