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The correct statement(s) pertaining to t...

The correct statement(s) pertaining to the adsorption of a gas on a solid surface is/are :

A

Adsorption is always exothermic

B

Physisorption may transform into chemisorption at high temperature

C

Physisorption increases with increasing temperature but chemisorption decreases with increasing temperature

D

Chemisorption is more exothermic than physisorption, however it is very slow due to higher energy of activation.

Text Solution

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The correct Answer is:
A, B, D
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