What is constraction and expansion in case of water
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Explanation:
In terms of thermal expansion water shows a typical behaviour. It contracts on heating between 0 degree C and 4 degree C. The volume of given amount of water decreases as it is cooled from room temperature, until its temperature reaches 4 degree C. Below 4 degree C, the volume increases and density decreases.
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Answer:
when water cools it contracts and when water heats it expands
Explanation:
cooling causes H2O molecules to come closer and form ice, while heating causes molecules to go farther away and forms vapour
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