Question

Give an activity to show the presence of water vapour in air

Answer 1

Answer:for this activity you need 1 glass or metal bowl or cup,

Some cold water.

Pour cold water in the cup and take it to open air after some while you will see small droplets of water covering the whole cup.

Its because of the water vapour which become again water after its contact with cold outer layer of cup & form small droplets of water.

Explanation:if you like this activity plz give me vote and thanks.

Answer 2

Answer:

I we put some crushed ice in a steel tumbler and wipe it from outside with a price of dry cloth and allow it to stand for 5 mins then a large number of tiny water drops are observed on the outer surface.

Explanation:

conclusion: water vapour present in air around steel tumbler when it comes in contact with the cold surface of steel tumbler condense to form tiny drops of water which indicates presence of water vapour in air.