Question

in which states of matter does diffusion occur? give three examples from daily life.

Answer 1

Diffusion occurs in every state of matter.
Examples-

gas-
Air is a mixture of gases.

liquid-
ink diffuses into water.

solid-
though very slow, diffusion occurs in solids too.
If you write something on a blackboard and leave it for 4 to 5 YEARS, ( yes, years) the chalk will diffuse on it.


*NOTE* - Many books say that diffusion doesn't occurs in solids just bcoz it is not in your syllabus but it is true that it occurs at a very very very slow rate.


Hope it helps you

Answer 2

Answer:

The movement of molecules from a region of high concentration to region of low concentration is called diffusion.It occurs in all three states of matter. Examples-

1) You can smell perfume because it diffuses into the air and makes its way into your nose.

2) Placing food coloring in a liquid will diffuse the color.

3) Exchange of oxygen, carbon dioxide and other gases in our body by cells.

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