In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is

equal to the heat of formation of surface compound.

called integral heat of adsorption.

In case of physical adsorption, the difference between heat of adsorpt

1.	In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is
A.	equal to the heat of formation of surface compound.
B.	equal to the heat of wetting.
C.	zero.
D.	called integral heat of adsorption.
Answer» C. zero.

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In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is

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