Question

Dispersion of one substance in the medium of another substance is called

• A. Endosmosis
• B. Diffusion
• C. Osmosis
• D. Imbibition

Answer 1

Answer: (B)

Diffusion

The terms osmosis is used to describe the movement of solvent or water molecules only, through a semipermeable membrane. Endosmosis means the movement of water molecules inside a cell. Imbibition means surface adsorption of water. Dispersion of one substance into the medium of another is called Diffusion. The term diffusion applies to solids, liquids and gasses ie all three states of matter. in the process, diffusing substance moves from a region of higher to lower concentration.

So, the correct answer is option B.