Chemisorption (chemical adsorption) is

1.	Chemisorption (chemical adsorption) is
A.	same as "Van der Waals" adsorption.
B.	characterised by adsorption of heat.
C.	an irreversible phenomenon.
D.	a reversible phenomenon.
Answer» D. a reversible phenomenon.

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Chemisorption (chemical adsorption) is

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