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Question

What do you mean by anomalous expansion of water?

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Solution

The expansion of water when it is cooled from 4°C to 0°C is known as the anomalous expansion of water.

When a given mass of water is heated from 0°C to 4°C, it contracts, i.e. its volume decreases.
On heating from 4°C to 10°C, it expands, i.e. its volume increases.

selina-icse-solutions-class-9-physics-heat-energy-6a-12s


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