Question

The correct statement(s) about surface properties is(are)
[A] Adsorption is accompanied by decrease in enthalpy and 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 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
viscosity of the solution

Answer 1

Answer:

The correct option I think so is option B........

Answer 2

Answer:

option................. .....b