Question

Define about the anomalous expansion of water

Answer 1

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The anomalous expansion of water is an abnormal property of water whereby it expands instead of contracting when the temperature goes from 4oC to 0oC, and it becomes less dense. The density becomes less and less as it freezes because molecules of water normally form open crystal structures when in solid form.

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Answer 2

Anomalous Expansion :

• When the surrounding temperature falls beyond 0°C , the water surface freezes, the ice on the water acts as an barrier for heat.

• The water loses its density when it's in the range of 4°C to 0°C.

• The water expands on cooling between 4 degree Celsius to 0 degree Celsius this behaviour of water is known as anomalous expansion of water.