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Mass Transfer

Mass Transfer
Leaching rate is independent of the

Agitation
None of the listed here
Particle size
Temperature

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Mass Transfer
During constant rate drying period, vaporisation rate per unit drying surface area

Does not affect the moisture content of the wet solid
Increases with time
Does not change with time
Decreases with time

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Mass Transfer
The solvent used in liquid-liquid extraction should have __________ less than one.

Neither A nor B
Both A & B
Distribution co-efficient
Selectivity

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Mass Transfer
An azeotropic mixture is a __________ mixture.

Constant boiling point
Ternary
Binary
None of these

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

Decreases
Increases
Remains unchanged
None of these

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Mass Transfer
Leaching of coarse solid lumps is also termed as

Dissolution
Percolation
Agitation and settling
Decoction

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