alleryStart learning →Adsorption of gases on a solid is caused mainly by which kind of forces in physisorption?
AStrong covalent bonds
BStrong ionic bonds
CWeak van der Waals forces
DStrong metallic bonds
Answer & Solution
Correct answer: C. Weak van der Waals forces
Physical adsorption involves only weak van der Waals attraction between gas molecules and the surface.
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