Question

How can you show that air is dissolved in water ?

Answer 1

Step 1: Water in  pan is taken.Step 2: It is now boiled on stove.Step 3: We will observe tiny bubbles of water visible coming out from the bottom of the pan.
ThereforeThese tiny bubbles are coming due to the air dissolved in water. Thus, this proves that air isdissolved in water.

Answer 2

Take a pan with water and heat it . just before it boils and you notice that the bubbles in the inner surface of the pan. these bubbles shows air dissolves in water