select the correct statement (s) : adsorption is a non - spontaneous process, surface energy deceases during the process of adsorption, adsorption takes place with decrease of entropy, in general adsorption is exothermic process.

Options

A. adsorption is a non - spontyaneous process
B. surface energy deceases during the process of adsorption
C. adsorption takes place with decrease of entropy
D. in general adsoption is exothermic process

Answer

b,c,d