Show experimentally that matter is made up of small particles. - Vidyadip

Question

Show experimentally that matter is made up of small particles.

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Answer

Take 2-3 crystals of potassium permanganate and dissolve them in 100ml of water.
Take out approximately 10ml of this solution and put it into 90ml of clear water.
Take out 10ml of this solution and put it into another 90ml of clear water.
Keep diluting the solution like 5 to 8 times.
Is the water still coloured?

This experiment shows that just a few crystals of potassium can colour a large volume of water. So we conclude that there must be millions of tiny particles.

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