By the crystallisation of an impure compound,if the mother liquor becomes coloured,what shall be done to remove the colour?

Given below are two statements $:$
Statement $(I) :$ In partition chromatography,stationary phase is a thin film of liquid present on an inert support.
Statement $(II) :$ In paper chromatography,the material of the paper acts as a stationary phase.
In the light of the above statements,choose the correct answer from the options given below $:$

The species that exhibits the highest $R_f$ value in a thin layer chromatogram using a non-polar solvent on a silica gel plate is

The technique used for purification of steam volatile water immiscible substances is:

The correct match between Item $I$ and Item $II$ is

Item $I$	Item $II$
$a$. Benzaldehyde	$p$. Mobile phase
$b$. Alumina	$q$. Adsorbent
$c$. Acetonitrile	$r$. Adsorbate

What is an eluant?