Mass Transfer
__________ is concerned with the adsorption equilibria.

Freundlich equation
Fick's law
Gibb's equation
None of these

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Mass Transfer
A coalescer in a mixer-settler liquid-liquid extraction coloumn

Comprises of thin bed of substances of extended surface having high porosity
All of these
Helps in increasing the bubble size entering the settler
Helps in increasing the settling rate of the bubbles

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Mass Transfer
Flash distillation is

Most useful for handling binary systems
Used for multicomponent systems like crude refining
Same as differential distillation
Same as simple distillation

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Mass Transfer
If the solubilities of different components (in a liquid-liquid extraction system) increase with rise in temperature, then the temperature above which they dissolve completely is known as the critical solution temperature (CST or consolute temperature). If solubilities increase with decrease in temperature, then CST is the temperature below which they dissolve completely. If a binary system has no critical solution temperature, it implies that

On heating, a vapor phase will appear ; while on cooling, a solid phase will appear
The system comprises of an azeotrope
The system comprises of miscible liquids
The system comprises of partially mis-cible liquids

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