(a) Identify the mistakes (s) in the diagrams and give justification.
What inference can be drawn from above diagrams ?

Explanation

(a) The level of water in test tube B should be higher . Water should occupy 1 /5 th of the total volume of test tube B.
(b) since 1/5 th of the total volume of air is consumed due to the burning of phosphorous, this space gets occupied by water.