Question

Difference between adsorption and absorption??

Answer 1

adsorption it is a adhesion of atoms,ions or moleculs from a gas,liquid or dissolved solid

absorption is a process in which one thing obsorbs or get obsorbed by other

Answer 2

Hey !!

ADSORPTION

• It is a surface phenomenon. Adsorbate molecules are held at the surface of adsorbent.
• The concentration of the adsorbate at the adsorbent is much more than that in the bulk.
• Initially rate of adsorption is rapid. It decreases slowly till equilibrium is attained.
• Example :- Water vapours on silica gel.

ABSORPTION

• Absorption occurs in the bulk of absorbing substance.
• Absorbed material is uniformly distributed throughout the bulk. Thus, concentration is same throughout.
• Absorption occurs with uniform rate.
• Example :- Water vapours are absorbed by anhydrous CaCl₂

GOOD LUCK !!