How is adsorption of a gas related to its critical temperature?

How is adsorption of a gas is related to its critical temperature ?

How the adsorption of a gas is related to the critical temperature

Which one of the following statements is wrong? a. Physical adsorption of gas directly related to its critical temperature. b. Chemical adsorption decreases regularly as the temperature is increased. c. Adsorption is an exothermic process. d. A solid with a smooth surface.

Which one of the following statements is wrong? a. Physical adsorption of gas directly related to its critical temperature. b. Chemical adsorption decreases regularly as the temperature is increased. c. Adsorption is an exothermic process. d. A solid with a rough surface is a better adsorbent than the same solid with a smooth surface.

How is density of gas related to its molar mass ?

How is density of gas related to its molar mass ?