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Take a tin can with a lid and fill it half with water. Heat the can on a candle flame till the water boils. Let the water boil for a few minutes and immediately put the lid tightly on the can. Pour fresh water over the can. You'll see the shape of the tin box changes. This is due to: |
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Answer» Take a tin can with a lid and fill it half with water. Heat the can on a candle flame till the water boils. Let the water boil for a few minutes and immediately put the lid tightly on the can. Pour fresh water over the can. You'll see the shape of the tin box changes. This is due to: |
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