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Mass Transfer

Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

T
1/T
T²
√T

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Mass Transfer
The equipment used in the extraction of highly corrosive radio active liquids is

Baffle tower
Mixer settler
Pulse column
Spray column

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Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

Ammonia in water
Benzol present in coke oven gas by wash oil
All of these
SO₂ in alkaline solution

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Mass Transfer
Cox chart is useful in the design of

Evaporator
Crystalliser
Distillation column
Dryer

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Mass Transfer
CO₂ can be absorbed by

Hot cupric oxide
Cold Ca(OH)₂
Alumina
Heated charcoal

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Mass Transfer
If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement.

a₁ = a₂
a₁ = 2a₂
a₁ = 0.5 a₂
None of these

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