JAMB - Chemistry (2020 - No. 22)
Chromatography is used to separate components of mixture which differ in their rates of ?
diffusion
migration
reaction
sedimentation
Explication
Chromatography is a method of separating mixtures by using a moving solvent on filter paper.
The rate at which each solute moves up the paper depends on how strongly it is absorbed by the paper, and how soluble it is in the solvent.