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प्रश्न
Draw a graph between volume and temperature, when 5 cm3 of ice at -10°C is heated to form water at +10°C.
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उत्तर
Mass 5 cm3 of water is 5 g
Volume of water in minimum at 4°C.
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संबंधित प्रश्न
On a winter day the temperature of the tap water is 20°C whereas the room temperature is 5°C. Water is stored in a tank of capacity 0.5 m3 for household use. If it were possible to use the heat liberated by the water to lift a 10 kg mass vertically, how high can it be lifted as the water comes to the room temperature? Take g = 10 m s−2.
Explain the following
Fishes survive in ponds even when the atmospheric temperature is well below 0°C.
Explain, why are the exposed water pipes lagged with straw during severe winter?
In cold countries, the water pipes are covered with poor conductors. Why?
Match the columns:
| Column ‘A’ | Column ‘B’ |
| The density of water is maximum at | (a) 0°C |
| (b) 4°C | |
| (c) 100°C |
