Question

how will you determine that water vapour present in the air​

Answer 1

Answer:

Take ice cubes in a beaker and kept it open place for some time. You will notice that around the beaker there are somewater droplets. This droplets formed are due to condensation of water vaporaround the beaker. This confirmes thepresence of water vapour in air.

Answer 2

Hey mate !!!

Here is your answer!!!!

Take a dry glass and ensure it is dry from outside.

Now place a few ice cubes inside the glass.

Now wait for a few minutes.

You would observe droplets of water appear on the outside of the glass.

This takes place because of condensation.

So we can conclude that water vapour is present in air and when it comes in contact with cold objects changes into liquid form.

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