Answer:
(a) fractional distillation
(b) the column consists of a distilling flask, a fractionating column, a thermometer, a bunsen burner, and a beaker to collect the distilled liquid. it is used to separate liquid with close boiling points also, the fractionating has glass beads and a large surface area for condensation and vaporization of liquid
Step-by-step explanation:
fractional distillation is used to separate liquids with close boiling points