Question

Notes of Anamolus Behavior of Water ,class 10 SSC board​

Answer 1

Water does not expand between 0°C to 4°C instead it contracts. It expands above 4°C. This means water has maximum density at 4°C. This is called anomalous behaviour of water.

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Answer 2

Answer:

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.