Question

Few crystals of potassium permanganate can colour a large volume of water. Why?​

Answer 1

Explanation:

When crystals of potassium permanganate are placed at the bottom of a beaker of water, water in the whole beaker turns pink on its own. This process represents that matter is made up of small particles which diffuse from a region of higher concentration to a region of lower concentration.

Answer 2

Answer:

This is because the crystal of the potassium permanganate is dissolved. There is no more crystal present to change the colour of the water. This experiment shows that the few crystals of the potassium permanganate have the ability to colour the limited amount of the water, after that it will not colour the water.