Explain why, the diffusion of a solid in another solid is a very slow process.
The force of attraction between the gas particles is very high.
(a) What is meant by 'diffusion'? Give one example of diffusion in gases.
(b) Why do gases diffuse very fast?
(c) Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
Greenhouse gas which is present in a very high quantity.