In the adsorption of acetic acid on activated charcoal,the acetic acid is an

Adsorption is:

Which one of the following is not a property of physical adsorption?

The following graph is obtained for physisorption of a gas as a function of pressure at different temperatures. The correct order of the temperatures is:

The Langmuir adsorption isotherm is based on which of the following assumptions?

What do you understand by activation of adsorbent? How is it achieved?