Adsorption is accompanied by

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(D) Adsorption is a spontaneous process where gas molecules are trapped on a solid surface,leading to a decrease in randomness,so $\Delta S < 0$. Sinc

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$(A)$,$(B)$ and $(C)$ are correct

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(D) Adsorption is a spontaneous process where gas molecules are trapped on a solid surface,leading to a decrease in randomness,so $\Delta S Since it is an exothermic process,heat is released,so $\Delta H For a spontaneous process,the Gibbs free energy change $\Delta G = \Delta H - T\Delta S$ must be negative. Since $\Delta S$ is negative,$-T\Delta S$ becomes positive. Thus,$(A)$,$(B)$,and $(C)$ are all correct.

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