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.
select the correct statement (s) : Benzene is dispersed phase in benzosol, sols are irreversible and not so stable, sol can be produced by double decomposition, when a solution of sulphur in alcoholic is added in excess of water a sol of alcohol is formed.
