Question

What do you mean by dispersed phase and dispersion medium ?

Answer 1

Disperse phase us the substance that present in small proportion and consist of colloidal size (1nm to 100nm).
Dispersion medium in which the colloidal particals are dispersed.
these two phase can be in the form of solid, liquid or gas.

Answer 2

Answer:

Stationary phase, in analytical chemistry, the phase over which the mobile phase passes in the technique of chromatography. ... The mobile phase flows through the packed bed or column. The sample to be separated is injected at the beginning of the column and is transported through the system by the mobile phase.