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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 reason for Sea water does not freeze at 0°C.
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.
What do you mean by the anomalous expansion of water?
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?
Give reasons for the following:
Even when the water in the lakes is frozen, fish can survive.
Observe the given graph and answer the following questions:
- Name the process represented in the figure.
- At what temperature does this process take place?
In a region with a cold climate the aquatic animals can survive at 4 °C, because _______.
A graph between the volume and temperature of water is shown. Explain the anomalous behaviour of water.
