How can you show that water vapour is present in air?
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Explanation:
The presence of water vapour in air can be demonstrated by the following experiment: We take a steel tumbler and put some well crushed ice in it. Allow the steel tumbler to stand undisturbed for about 5 minutes with the ice in it.
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you can show water vapour present in air by using an doing experiment in summer or warm area take a bottle and fill chilled water after few minutes you can observe that some water droplets are present outer surface of water due to water vapour present in air after react with cold bottle surface it turns in liquid form on bottle surface
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