Question

differences between physical adsorption and chemical adsorption absorption. In three differences

Answer 1

physical:-
1.reversible
2.forms multimolecular layers
3.due to vanderwaals forces.

chemical:-
1.irrebersible
2.forms unimolecular layers
3.due to chemical bond formation

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Answer 2

PHYSICAL ABSORPTION
1.) IT USUALLY TAKES A LOW TEMPERATURE AND DECREASES WITH INCREASE IN TEMPERATURE

2.)IT IS REVERSIBLE

3.) IT FORMS MULTIMOLECULAR LAYER

CHEMICAL ABSORPTION
1.)IT USUALLY TAKES HIGH TEMPERATURE

2.) IT IS IRREVISIBLE

3.) IT FORMS MONOMOLECULAR LAYER