The process by which a substance absorbs moisture upon exposure to atmosphere is called?

  1. Deliquescence
  2. Efflorescence
  3. Dehydrogenation
  4. Desalination

absorbs moisture meaning: nami jazab karna,

Efflorescence meaning: powdery deposit of salts on the surface of concrete, bricks.

Dehydrogenation meaning is the removal of hydrogen from a feedstock

Desalination is a process that takes away mineral components from saline (namkeen) water.

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