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प्रश्न
Which of the following statements is incorrect regarding physisorptions?
विकल्प
More easily liquefiable gases are adsorbed readily.
Under high pressure, it results into a multi-molecular layer on adsorbent surface.
Enthalpy of adsorption `(Delta"H"_"adsorption")` is low and positive.
It occurs because of van der Waals forces.
MCQ
उत्तर
Enthalpy of adsorption `(Delta"H"_"adsorption")` is low and positive.
Explanation:
Physiosorption is an exothermic process, so ΔH will always be negative.
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