Question

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

Answer 1

take a glass and pour cold water in it after few minutes you able to see that the small drops of water is get visible on the outersurface of glass.

this water is the vapours of water that is present in the atmosphere and get condense by the cold surface of glass..

thish activity prove that there is water vapor present in air....

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Answer 2

to show the presence of water vapour in air keep e bottle full of water in the refrigerator and bring it ou of it after 2-3 hrs. after 30-40 seconds you will see small water droplets will form on the surface of the bottle. this experiment shows the presence of water vapour in air.



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