Question

What is the difference between adsorption and absorption? 

Answer 1

Difference between Adsorption and Absorption:

Adsorption	Absorption
i) It is a surface phenomenon	It is a bulk phenomenon
ii) The adsorbate is accumulated at the surface of the solid	The substance getting absorbed is uniformly distributed throughout the substance
iii) Adsorption is fast process	Absorption is a slow process
iv) It is an exothermic process	It is an endothermic process
v) E.g.:- Adsorption of Ammonia on charcoal	E.g.:- Absorption of Ammonia in water