Question

what is diffusion?give two examples

Answer 1

Diffusion is the net movement of molecules or atoms from a region of high concentration to a region of low concentration as a result of random motion of the molecules or atoms
Examples
Placing food coloring in a liquid will diffuse the color.

Cigarette smoke diffuses into the air.

Answer 2

Intermixing of two or more substance without any force is called diffusion.

eg..diffusion of perfume in air....