Question

how to show the presnce of water vapour in air

Answer 1

Answer:

hloo..

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Take ice cubes in a beaker and kept it open place for some time. You will notice that around the beaker there are some water droplets. This droplets formed are due to condensation of water vapor around the beaker. This confirmes the presence of water vapour in air...

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Answer 2

you take a table in night and in morning at 4am you see on the table you see water

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