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प्रश्न
Give reasons for the following:
In cold countries, water pipes burst in winter.
उत्तर
In cold countries water pipes burst in winter because the water has maximum density at 4°C and, due to anomalous expansion of water, it expands when the water is cooled to a temperature below 4°C
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संबंधित प्रश्न
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
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