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Assertion : In physical adsorption , enthalpy of adsorption in very low. Reason : In physical adsorption , enthalpy of adsorption is very low. Reason : In physical adsorption , attraction between gas molecules and solid surface is due to weak van der Walls forces.

Answer»

If both assertion and REASON are true and REASONIS the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is FALSE
if both assertion and reason are false

Answer :A


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