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What is difference between absorption and …

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What is difference between absorption and adsorption? please answer in simple language
  • 3 answers

Arpita Gangwar 3 years, 11 months ago

Absorption is a bulk phenomenon while adsorption is a surface phenomenon. For eg. If you dip a chalk into coloured water and then break it into two pieces, the colour of the liquid is ADSORBED by the surface of the chalk while the water is ABSORBED by all the particles of chalk making it wet!

Asmita Rajput 3 years, 11 months ago

Right

Gaurav Seth 3 years, 11 months ago

  Criteria

Absorption

Adsorption

Definition Assimilation of the molecular system throughout the bulk of the solid or liquid medium. Accumulation of molecular species at the bottom instead of the liquid or solid.
Phenomenon A bulk phenomenon. A surface phenomenon.
Heat exchange Endothermic process Exothermic process
Temperature The temperature has no effect. Influenced by low temperature
Rate of reaction Occurs at a uniform rate. Increases steadily and reaches equilibrium.
Concentration It is constant throughout the medium. The Concentration at the bottom of adsorbent is different from that in bulk.
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