How will you separate a mixture of two organic compounds which have different solubilities in the same solvent?

At what temperature and pressure does a liquid vaporize in steam distillation?

To separate different fractions of crude oil in the petroleum industry,the method used is:

Which property should a solvent used in crystallization possess?

Give the difference between paper chromatography and thin layer chromatography.

In the given $TLC$ plate,the distances of spots $A$ and $B$ from the base line are $4 \ cm$ and $6 \ cm$,respectively. The distance moved by the solvent front from the base line is $8 \ cm$. If the $R_f$ value of $B$ is $x \times 10^{-1}$ times that of $A$,find the value of $x$.