If a dilute solution of $AgNO_3$ is added to a dilute solution of excess $NaI$,then the species adsorbed on $AgI$ colloidal particles is:

Aqueous solution of raw sugar when passed over beds of animal charcoal,it becomes colourless. Pick the correct set of terminologies (Adsorbent,Adsorbate,Process) that can be used for the above example.

In the Freundlich adsorption isotherm,the value of $x/m$ does not increase rapidly with an increase in the value of $p$,because .....

Which of the following statements about physical adsorption is not correct?

The rate of physical adsorption increases with......

Which one of the following is present in gas mask?