Question

with the help of activity , show that the air contains water vapour​

Answer 1

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Just take a cold glass of water and place it anywhere for a while. You will see drop of water outside the glass. As the water vapors in the air strike the cold glass, they loose their kinetic energy and condense on the outer surface. That's why you see the water outside glass.

Answer 2

Answer:

Just take a cold glass of water and place it outside and then you will see that water droplets will form at the outer boundary of the glass. This happens because when eater vapours touched the cold surface them they loosed their kinetic energy and condensed to form water droplets.

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