________ is one of the most important techniques for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.

Options

A. Filtration
B. Distillation
C. Evaporation
D. Chromatography

Answer

D

Explanation

Chromatography is a laboratory technique for the separation of a mixture. The mixture is dissolved in a fluid called the mobile phase, which carries it through a structure holding another material called the stationary phase. The various constituents of the mixture travel at to different speeds, causing them separate.