How will i demonstrate that vapour is present in atmosphere?
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When we take cool water from the refrigerator, we can see water droplets forming on the vessel in which the water is kept. This happens because of the presence of water vapour in the atmosphere (because the water vapour condenses on the vessel in which the water vapour is kept).
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a)Take out a bottle of soft drink from the refrigerator and place it on the table. b)Observe it for few minutes.
c)you will see small drops of water appearing on the outer surface of the bottle.
d) This is because water vapour present in the air condenses and forms small drops of water.
e) This activity proves that air contains water vapour.
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