Question

Select the incorrect statement from the following options.

(a) Fractionating columns are available in various design and size

(b) Fractionating columns are available according to one fixed standard

(c) A simple fractionating column is a tube packed with glass beads

(d) Fractional distillation is the process of separation of different gases from air

This question was addressed to me in final exam.

Question is from Fractional Distillation topic in section Methods of Purification of Engineering Chemistry I

Answer 1

Right choice is (b) Fractionating columns are available according to one fixed standard

To elaborate: Fractionating columns are available in various design and sizes and not according to one fixed standard.