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

Answer in Brief

What do you mean by anomalous behaviour of water?

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Solution

Substances when heated expand. Their density [ \frac { 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.

Concept: Compare Expansivity in Solids, Liquids and Gases
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APPEARS IN

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