Question

The property due to which a substance absorbs gases, liquids and solids only on its surface​

Answer 1

Answer:

Adsorption is the phenomenon of accumulation of large number of molecular species at the surface of liquid or solid phase in comparison to the bulk.

It is of following two types:

1. Physical Adsorption (Physisorption)

2. Chemical Adsorption (Chemisorption)

Adsorption processes take place by adsorbate getting adsorbed on adsorbent.Forces of attraction exist between adsorbate and adsorbent and due to these forces of attraction, heat energy is released. So, all adsorptions are exothermic processes.

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