{:("Column I","Column II"),("(A) Chemisorption ","p Exothermic"),("(B) Physical adsorption","q Endothermic"),("(C) Desorption","r Removal of adsorbed material "),("(D) Activation of adsorbent","s Specifi in nature"):}

{:("Column I","Column II"),("(A) Chemisorption ","p Exothermic"),("(B)

1.	{:("Column I","Column II"),("(A) Chemisorption ","p Exothermic"),("(B) Physical adsorption","q Endothermic"),("(C) Desorption","r Removal of adsorbed material "),("(D) Activation of adsorbent","s Specifi in nature"):}
Answer» ANSWER :A::B::C::D