Particles of ________ are certainly visible under a microscope

Options

A. true solution
B. colloidal system
C. suspension
D. all of these

Answer

C

Explanation

A true solution contains small solute particles molecules or ions dispersed throughout solvent the particles are invisible even under a microscope a suspensino contains very much larger insoludle particles which may be visible to naked eye and certainly visible under a microscope.
colloidal systems lie between the two extremes of a true solution and asspension and contain particles of intermediate ion and a suspension and contain particles of intermediate size these may consist of agglomerates of small partics ort of single particles such as large molecules of rubber plastics cellulose or proteins colloidal particles may be seen with the help of an ultra microscope.