Which of the following is not a characteristic of chemisorption?

Which of the following statements is not applicable to chemisorption?

The addition of soap in water:

Identify the $FALSE$ statement regarding adsorption from the following.

$2.0 \, g$ of $H_2$ gas is adsorbed on $2.5 \, g$ of platinum powder at $300 \, K$ and $1 \, bar$ pressure. The volume of the gas adsorbed per gram of the adsorbent is $..... \, mL$.
(Given: $R = 0.083 \, L \, bar \, K^{-1} \, mol^{-1}$)

Statement $I$: Silica gel and alumina are used as adsorbents for adsorption chromatography.
Statement $II$: Paper chromatography is a type of partition chromatography.
In the light of the above statements,select the correct option.