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Doctors Medicines MCQs Q&A

Write four distinguishing features operative between chemisorption and physisorption.

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Chemisorption Physisorption
It arises due to chemical bond formation. It arises because of van der waals’ forces.
It is irreversible in nature. It is reversible.
It is highly specific in nature. It is not specific in nature.
It results into unimolecular layers on adsorbent surface. It results into multimolecular layers on adsorbent surface under high pressure.

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