Mass Transfer
In saturated gas, the

None of the listed here
Vapour is in equilibrium with the liquid at the room temperature
Vapour is in equilibrium with the liquid at the gas temperature
Partial pressure of vapour equals the vapour pressure of the liquid at room temperature

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Mass Transfer
Bollman extractor

Is a centrifugal extractor
Is a static bed leaching equipment
Is used for extraction of oil from oilseed
Employs only counter-current extraction

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