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Mass Transfer

Mass Transfer
At what percentage (by volume) of alcohol composition, it forms an azeotrope with water?

90
99
91.5
95

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Mass Transfer
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

2
3
1

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Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Lower than
Either A or B, depends on the mixture composition
Higher than
Equal to

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Mass Transfer
Deairation (removal of O₂) of water is done by

Ion-exchange
Adsorption
Rectification
Absorption

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Mass Transfer
In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve)

Decreases
Increases
None of these
Remains unchanged

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Mass Transfer
Steam distillation is used for separation of high boiling

Substances from non-volatile impurities
Both of the options given here
Volatile impurity from still higher boiling substances
none of the listed here

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