The given figure is the graph between the volume and temperature of water.
(i) If the temperature is raised from 0°C, this means heating takes place.
(ii) It has been observed that on heating, it contracts instead of expanding.
(iii) At 4° C, due to contraction, volume decreases.
(iv) If the water is heated further, it expands and its volume increases.
(v) The behaviour of water between its temperature from 4° C, to 0° C, is called anomalous behaviour of water.
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