Question

Give 2 examples each of -
1)Diffusion of solid into gas.
2)Diffusion of liquid into gas.
3)Diffusion of liquid into solid.
4)Diffusion of gas into liquid.
5)Diffusion of gas into solid.

Answer 1

1}Smoke and automobile exhaust

2} Fog and cloud

3} Jelly and butter

4} Shaving cream and foams

5} Rubber and sponge.

hope it helps

Answer 2

generally it depends on particles size. ... there is less intermolecular space between particles of water than in air so particles of solid and liquid are packed tightly. and some solids diffuse in air because they need more intermolecular space that air can provide but water can not.