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What do you mean by anomalous behaviour of water? - Physics

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Question

What do you mean by anomalous behaviour of water?

Answer in Brief

Solution

Substances when heated expand. Their density `[m/v]` decrease. But in the case of water:
When water is heated from 0°C to 4°C it CONTRACT and density INCREASE, heating water above 4°C starts expanding and density of water decrease.
This means water has a maximum density at 4°C. This is called anomalous behaviour of water.

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Chapter 6: Heat Transfer - Short/long Answer Questions [Page 121]

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Selina Concise Physics [English] Class 8 ICSE
Chapter 6 Heat Transfer
Short/long Answer Questions | Q 36 | Page 121
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