Hey!! Can you pls tell me the procedure, observation and conclusion for showing the presence of water vapour in air for class 9??
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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.Mar 29, 2019
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to test the presence
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