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Mass Transfer

Mass Transfer
H₂S present in naphtha reformed gas is removed by absorbing with

K₂CO₃
Vacuum gas oil
HCl
Ethanolamine

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Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

?
1
None of these

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Mass Transfer
As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches

Integral heat of adsorption
None of these
Zero
That of normal condensation

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Mass Transfer
For a binary mixture with low relative volatility,

Use high pressure distillation
Use molecular distillation
Use steam distillation
An azeotrope may be formed during distillation

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Mass Transfer
______ is the separation technique used for desalination of sea water.

Adsorption
Reverse osmosis
Absorption
Thermal diffusion

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

Ion-exchange
Absorption
Adsorption
Rectification

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