Question

an experiment to show that few crystals of potassium permanganate can change a colour in large volume of water.

Answer 1

take a beaker of 100 ml water and add potassium crystals and mix it . take 10 ml water out of it and put it in another 100 ml beaker full of water. repeat this a few times. u can see that after the 7th or 9th time the water will still be pink. this shows that the crystals contain many particles..