When a crystal of potassium peramagnate is placed in a beaker, its purple colour spreads throughout the water. What does this observation tell us about the nature of pottassium permanganate and water?

When we added crystals of potassium permanganate to the water, the colour of water will be changed. What will be the reason for it?

What will happen when potassium permanganate crystals ( KMnO_4 ) added to water?

What does the case tells us about a water resource and its effect on farmers ?

Observe and read the flow chart and answer the follwing. What does the schematic digaram tell us about the oesphagus ?

Why does a large volume of water get coloured due to a few crystals of potassium permanganate ?

When a crystal of copper sulphate is placed at the bottom of a beaker containing water, the water slowly turns blue. Why ?

The pH of a river water sample as measured by pH paper is found to be 6. What does it tell us about water ?

Archit dropped a crystal of potassium permanganate into two beakers A and B containing hot water and cold water respectively. After keeping the beakers undisturbed for some time what did he observe and why ?

Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation ?