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The property of anomalous expansion of water:
The property of anomalous expansion of water:
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B is seen in the temperature range from 4∘C to 0∘C
D helps fishes to survive in water even when the temperature falls to 0∘C
Water on cooling contracts upto 4∘C.
On further cooling, it starts to expand till it freezes into solid ice at 0∘C. This property is called anomalous expansion of water.
Due to this property, in cold regions, water in rivers or ponds freezes at the top and forms ice when the temperature falls below 0∘C. The density becomes less as it freezes.But water beneath the ice remains at 4∘C which helps fishes to survive in water even when the temperature falls to 0∘C.
B is seen in the temperature range from 4∘C to 0∘C
D helps fishes to survive in water even when the temperature falls to 0∘C
Water on cooling contracts upto 4∘C.
On further cooling, it starts to expand till it freezes into solid ice at 0∘C. This property is called anomalous expansion of water.
Due to this property, in cold regions, water in rivers or ponds freezes at the top and forms ice when the temperature falls below 0∘C. The density becomes less as it freezes.But water beneath the ice remains at 4∘C which helps fishes to survive in water even when the temperature falls to 0∘C.
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