Which of the following compounds is used as an adsorbent in column chromatography?

State True or False for the following statements:
$(i)$ The volatile liquid is purified by fractional distillation or simple distillation.
$(ii)$ Two liquids are separated by fractional distillation.
$(iii)$ Liquids with a small difference in boiling points are separated by fractional distillation.
$(iv)$ Liquids with a large difference in boiling points are separated by fractional distillation.

Which of the following compounds can be separated by the steam distillation method?

Among the following,in which type of chromatography,both stationary and mobile phases are in liquid state?

Which among the following purification methods is based on the principle of "Solubility" in two different solvents?

The best and latest technique for isolation,purification and separation of organic compounds is: