Describe an activity to show water vapour is present in the air.
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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 ofwater vapour in air.
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Take a ice in a pot, and presence of sunlight put, after some time you will be observe few droplets of water is around them. So this cause.
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