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Mass Transfer

Mass Transfer
Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

Packed
None of these
Plate
Baffle

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Mass Transfer
__________ developed the film theory.

Levenspeil
Fick
Ergun
Higbie

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Mass Transfer
______ extractor uses centrifugal force for separating the two phases.

Schiebel
Podbielniak
None of the listed here
Treybal

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Mass Transfer
With increase in temperature, the rate of leaching increases, because the

None of these
Thermal conductivity of solute increases
Diffusivity of solute increases
Viscosity of solvent decreases

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Mass Transfer
Azeotropic distillation is employed to separate

Mixture with very high relative volatility
Heat sensitive materials
High boiling mixture
Constant boiling mixture

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Mass Transfer
Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption.

Higher than
Either same or higher than
Lower than
Same as

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