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
(A) Same as "Van der Waals" adsorption
(B) Characterised by adsorption of heat
(C) An irreversible phenomenon
(D) A reversible phenomenon