Question

NCERT VI Social Sciences

How will you show that air is dissolved in water?

Answer 1

take some water heat it just before it boils you will notice bubble in inner surface of pan this is because of air present in water 

Answer 2

To proove that air is dissolved in water just follow the given steps :- ⇒1) Take a pan and add some water to it...⇒2) Heat the pan and we will notice that water starts boiling. ..⇒3) Before boiling of water we find some of the bubbles present in the inners surface of the pan......[so this bubbles clearly shows that air is dissolved in water. ]