You are given a fully blown balloon, a tub of hot water, and the tub of Ice- cold water.using these items explain how you should show that air expands on heating and contracts when it cools down.
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Take an empty bottle, attach a rubber balloon to its neck. Initially, the balloon is deflated. 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. We will notice that the balloon gets deflated and it collapses.
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