Write the difference between physisorption and chemisorption with respect to
i) type of attractive forces between adsorbate and adsorbent
ii) number of layers of adsorption. 

Explanation

The difference between physisorption and chemisorption with respect to
i) type of attractive forces
in physisorption vander waal.s forces
in chemisorption chemical bonds formation
ii) number of layers of adsorption
in physisorption :- Multi molecular layer
in chemisorption :- Unimolecular layer