Answer:
When we place few crystals
of potassium permanganate in a beaker containing water, we get two distinct
layers?colourless water at the top and pink colours the bottom. After few
minutes, pink colour spreads and whole solution turns pink due to diffusion.
Since potassium permanganate is a solid substance, does not possess so much
space. Water molecules due to liquid state, collide with solid particles and
intermix due to sufficient space between molecules.
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