1.

The correct statements from the following about physical adsorption I) desorption of adsorbate gas from adsorbent is not easy since chemical forces are involved II) Its energy of activation is very low. III)Easily liquifiable gases are more readily adsorbed.

Answer»

all are CORRECT 
only (II) and (III
only (I) and (III) 
only I and II 

ANSWER :B


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