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प्रश्न
Water is cooled from 4 °C to 0 °C. It will :
पर्याय
contract
expand
first contract, then expand
first expand, then contract
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उत्तर
Water shows anomalous behavior between 0 °C and 4 °C. Hence, when it is cooled it expands.
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संबंधित प्रश्न
Give reason for Sea water does not freeze at 0°C.
How does the anomalous expansion of water help aquatic organisms in cold climates?
Calculate the time required to heat 20 kg of water from 10°C to 35°C using an immersion heater rated 1000 W. Assume that 80% of the power input is used to heat the water. Specific heat capacity of water = 42000 J kg−1 K−1.
Explain the following
A hollow glass sphere which floats with its entire volume submerged in water at 4°C, sinks when water is heated above 4°C.
What do you understand by the anomalous expansion of water?
While studying anomalous behaviour of water in Hope’s apparatus, the upper temperature of the thermometer : 0 °C : : lower temperature of the thermometer : _______
Match the columns:
| Column ‘A’ | Column ‘B’ |
| The density of water is maximum at | (a) 0°C |
| (b) 4°C | |
| (c) 100°C |
