How will you demonstrate the presence of water vapor un air ?
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Answer:this can be demonstrated by th experiment by taking a glass filled of cold water and this happened as follows....
Explanation:
after leaving the cold water glass in the environment for a while you will see the droplets of water sticking on the glass and this demonstrates the presence of water vapour in air as ....
It is the water vapours present in the surrounding that get condensed due to the cold temperature around the class and get stick to it.....by the process of condensation.....
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