Which of the following processes occurs in the reaction given below $C_{(graphite)} \longrightarrow C_{(g)}$?

Describe the method that can be used to separate two compounds with different solubilities in a solvent $S$.

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

Item-$I$ (Mixture)	Item-$II$ (Separation method)
$(a)$ $H_2O :$ Sugar	$p.$ Sublimation
$(b)$ $H_2O :$ Aniline	$q.$ Recrystallization
$(c)$ $H_2O :$ Toluene	$r.$ Steam distillation
	$s.$ Differential extraction

Give the technique for the separation of the following:
$(i)$ Mixture of sugar and sand
$(ii)$ Mixture of kerosene and water
$(iii)$ Mixture of benzene and common salt
$(iv)$ Mixture of liquids with boiling points $356 \, K$ and $365 \, K$
$(v)$ Mixture of aniline and camphor

Suggest a method for the separation of a mixture of methanol and acetone.

Which of the following substances is not an element?