Question

From your day-to-day experience, give one example to show that air contains water vapour vapour. (Hint: Have you ever kept a cold drink bottle outside the fridge for some time?)

Answer 1

when a cold drink is kept out of the fridge we observe water drops sticking to the bottle.this is because air contains water vapour which condenses on the bottle.hence air has water vapour

Answer 2

when a cold drink is kept out of the fridge we observe water drops sticking to the bottle.this is because air contains water vapour which condenses on the bottle.hence air has water vapour