Question

diffusen is a possible only when particles of matter​

Answer 1

Answer:

Yes diffusion can happen anywhere where there is matter no it is partially correct because diffusion barely happens in solid there is very less examples of that one of it is diffusion of copper and zinc which takes a lot of time so instead of solid.liquid and gas diffuses.

Answer 2

$\huge\mathcal\blue{ANSWER}$

The intermixing particles of different matters diffuse(mix) into each other on there own, is known as diffusion. For eg: Few crystals of potassium permanganate will mix into water when we leave it for sometime. this is knows as diffusion

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Hope this helps u :)