The spreading of a substance through a medium like air or liquid due to the motion of molecules is called diffusion. E.g. perfumes spread due to diffusion
When certain solids are heated, they change directly into v~pours without melting. It is called Sublimation. E.g. Iodine
Brownian Movement is a continuous rapid, zig-zag motion of suspended particles through a medium, like air or water etc.
Your email address will not be published. Required fields are marked *
Save my name, email, and website in this browser for the next time I comment.