Page 1 :
Experiment No., , Aim: Prove that presence of air in water and soil., Material required: soil power, water, burner., , Apparatus used : Beaker, Tripod stand, burner, wire gauge etc., , Procedure: (For presence of air in water), , Take cleaned 500ml beaker and add 250 ml water in it now it placed on tripod stand with wire, gauge and heat it through burner., , We seen after 7-10 minutes few bubbles are come from bottom to top. This bubble that come, from top to bottom due dissolved air in water that come above on heating., , This bubble prove the presence of air in water.

Page 2 :
Procedure: (for presence of air in soil), , Take cleaned 500 ml beaker and add 100gm soil also add 150 ml of water now it placed on, tripod stand with wire gauge and heat it through burner, , After 7 - 10 minute we seen few bubble come from top to bottom This bubble that come from, top to bottom due dissolved air in soil that come above on heating., , s+} _ Air bubbles, , Glass 7 a, , , , , , * oe . Fig, 2,12: Findi yf air in soit, This bubble prove the presence of air in soil. LED ae Pema