Explain with the help of an activity that air expands on heating and contracts on cooloing class 7.
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Place the bottle in a container filled with boiling water. After some time you will notice that the balloon gets inflated. this happens because of the air inside the bottle expands on heating and it fills the balloon. Take out the bottle out of the container and allow it to cool itself.
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Answered by
2
Answer:
Place the bottle in a container filled with boiling water. After some time you will notice that the balloon gets inflated. this happens because of the air inside the bottle expands on heating and it fills the balloon. Take out the bottle out of the container and allow it to cool itself.
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