Question

Particles of matter are continuously moving give an activity

Answer 1

Here’s the answer,

Take 2-3 crystals of potassium permanganate and add it to 100ml of water in a beaker. The solution becomes dark purple. Now take an another beaker and add 90 ml of water. From the first solution take 10ml and add it to the second beaker. Repeat this process several times.

Initially, solution will be dark purple, but after dilution you can see that purple color of potassium permanganate still persists. Hence we can conclude that one crystal of potassium permanganate contains at least a million particles which keeps on dividing into smaller and smaller particles.

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Hope it helps

Answer 2

for this u may refer class 9 science book either it is ncert or any optional book...