Chemical Engineering

Find the most common example for absorption.
  • a)
    Ammonia and air in solvent water
  • b)
    Ammonia and Carbon dioxide in solvent water
  • c)
    Methane and air in solvent water
  • d)
    Methane and Carbon dioxide in solvent water
Correct answer is option 'A'. Can you explain this answer?

AMOGH C answered  •  Sep 11, 2020
Explanation: Since air won’t dissolve in water the affinity of nitrogen towards the water will be more which converts ammonia into ammonium solution. But in other options the hydrocarbons easily dissolves in polar solvents.

The progressive warming up of the earth's surface is mainly due to the
  • a)
    automobile exhaust.
  • b)
    blanketing effect of CO2 in the atmosphere.
  • c)
    de-forestation.
  • d)
    thickening of ozone layer.
Correct answer is option 'B'. Can you explain this answer?

ARJUN SINGH answered  •  Aug 29, 2020
CO2​ goes in the atmosphere and make a thick layer, this layer allowes the light to enter into the atmosphere but do not allow it to exit, the heat get trapped into the atmosphere and leads to the warming up of the surface.

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