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Which statement is not correct...

Which statement is not correct 

A

Physical adsorption is due to vander Waals'forces

B

Physical adsorption decreases at high temperature and low pressure

C

Physical adsorption is reversible

D

Adsorption energy for a chemical adsorp tion is generally lesser than that of physical adsorption

Text Solution

Verified by Experts

The correct Answer is:
D
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