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Question

Physics Question on thermal properties of matter

In anomalous expansion of water, at what temperature, the density of water is maximum ?

A

4∘C4^{\circ} C

B

<4∘C<4^{\circ} C

C

>4∘C > 4^{\circ} C

D

10∘C10^\circ{C}

Answer

4∘C4^{\circ} C

Explanation

Solution

When cooled from room temperature liquid water becomes dense, as with other substances, but at approximately 4∘C4^{\circ} C (39 F), pure water reaches its maximum density. If it is cooled further, it expands to become less dense.