How can an organic compound present in an aqueous solution be separated?

Choose the statement that is true about $A$,$B$ and $C$ in the following separation scheme.

Fill in the Blanks :
$(1)$ The steam distillation of $.......$ liquid is done and it is boiled at $.........$ temperature.
$(2)$ $.........$ and $........$ used to reduce pressure in distillation under reduced pressure.
$(3)$ In steam distillation the equation of total vapour pressure is $P = p_1 + p_2$ where $p_1$ is more than $...........$
$(4)$ $.........$ apparatus is used in differential extraction.

What is adsorption chromatography? Write its types.

On which principle does the solute move on chromatography paper?

Which technique is used for the separation of a compound present in an aqueous solution?