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प्रश्न
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उत्तर
It can be seen from the graph that the volume of the water decrease from 0°C to 4°C and the volume Is minimum at 4°C. After 4°C, the volume increases with the increase In temperature.

Variation of the volume of water with temperature
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संबंधित प्रश्न
Give reasons:
Water pipes burst in severe winters.
Explain the following:
How can you relate the formation of water droplets on the outer surface of a bottle taken out of the refrigerator with the formation of dew?
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A calorimeter contains 50 g of water at 50°C. The temperature falls to 45°C in 10 minutes. When the calorimeter contains 100 g of water at 50°C, it takes 18 minutes for the temperature to become 45°C. Find the water equivalent of the calorimeter.
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Study the following diagrams and write down your observations.

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Write scientific reason.
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Match the columns:
| Column ‘A’ | Column ‘B’ |
| The density of water is maximum at | (a) 0°C |
| (b) 4°C | |
| (c) 100°C |
