Question: The correct statement(s) about surface properties is(are): (A) Adsorption is accompanied by a decrease in enthalpy and a decrease in entropy of the system (B)

The correct statement(s) about surface properties is(are):

(A) Adsorption is accompanied by a decrease in enthalpy and a decrease in entropy of the system

(B) The critical temperatures of ethane and nitrogen are 563 K and 126 K, respectively. The adsorption of ethane will be more than that of nitrogen on the same amount of activated charcoal at a given temperature

(C) Cloud is an emulsion type of colloid in which liquid is dispersed phase and gas is dispersion medium

(D) Brownian motion of colloidal particles does not depend on the size of the particles but depends on the viscosity of the solution

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