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AIEEE 2009 Solved Paper

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Question : 11

Total: 89

Which of the following statements is incorrect regarding physisorptions?

It occurs because of vander Waal's forces.
More easily liquefiable gases are adsorbed readily.
Under high pressure it results into multi molecular layer on adsorbent surface.
Enthalpy of adsorption ( ∆H‌adsorption ‌ ) is low and positive

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