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Mass Transfer

Mass Transfer
Leaching rate is independent of the

Agitation
Temperature
None of the listed here
Particle size

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Mass Transfer
Air at a particular humidity is heated in a furnace. The new dew point

Decreases
Increases
Remain unchanged
Depends on the extent of heating

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Mass Transfer
When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption.

Same as
Dependent on the system; can be either lower or higher than
Always lower than
Always higher than

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Mass Transfer
Steady state equimolal counter diffusion is encountered in

Separation of a binary mixture by distillation
All of these
All liquid-liquid diffusion systems
Absorption of NH₃ from air by water

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Mass Transfer
Equilibrium-moisture curves of different solids

Depend on the humidity of the gas
Are same
Are different
None of these

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Mass Transfer
Which of the following adsorbent is used to decolourise yellow glycerine?

Silica gel
Alumina
Activated carbon
Fuller

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