Give reasons :
When water is heated, we see bubbles rising up.

Give reasons : Ice floats on water.

Give reasons : (a) When a stone is dipped in a glass containing some water, the level of water rises but when a spoon of sugar is added to it and stirred, the water level does not rise. (b) A drop of ink added to water in a glass turns the whole water blue.

When ammonium cyanate is heated, we get:

Give reasons : On boiling, water loses its taste.

Give reason Why does the balloon inflate when the bottle is put in hot water?

Chlorine is liberated, when we heat

Rishi is surprised when he sees water boiling at 115^(@)C in a container. Give reasons as to why water can boil at the above temperature.

Give reasons : Water droplets can be seen outside a chilled water bottle.

An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into the water. Explain the reason.

Give reason When we raise our right hand in the front of a mirror, it looks as if we have raised our left hand.