Question

How will you show that air is dissolved in water

Answer 1

1)fishes breathe in air

we can understand it by shaking plain water from bubbles....which shows air is dissolved in it

Answer 2

we can know this if we think how fish breathe in water...

u can do this activity....
Take some water in a glass vessel or beaker. Heat it slowly on a tripod stand. Before the water begins to boil, look carefully at the inner surface of the vessel. You will see tiny bubbles on the inside. On heating, air dissolved in water escapes in the form of these bubbles.