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Mass Transfer

Mass Transfer
Rose oil is extracted from rose leaves using __________ distillation.

Extractive
High pressure
Low pressure
Steam

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Mass Transfer
Which of the following solutions will follow Raoult's law most closely?

A solution of polar organic compounds (not of homologs of a series)
35% solution of camphor in water
35% solution of NH₃ in water
A solution of benzene, toluene and oxylene

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Mass Transfer
To remove all the moisture from a wet solid it requires exposure to __________ air.

High temperature
None of these
Perfectly dry
Highly humid

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Mass Transfer
In most of the vacuum crystalliser, vacuum is generally produced by means of a

Suction pump
None of these
Compressed air jet
Steam jet ejector with a barometric condenser

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Mass Transfer
Only small amount of evaporation of water produces large cooling effects because of its

Large latent heat
Small latent heat
Low viscosity
None of these

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Mass Transfer
Molality is defined as the number of gm moles of solute per __________ of solvent.

Litre
Kg
m³
Gm

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