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प्रश्न
What do you understand by the anomalous expansion of water?
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उत्तर
Anomalous expansion: A liquid that does not behave like a normal liquid on heating or cooling is said to have anomalous expansion. On heating or cooling, water does not behave like a normal liquid. The volume of water increases if we heat or cool it, provided initially the water is at 4°C.
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संबंधित प्रश्न
Give reason for Sea water does not freeze at 0°C.
Observe the following graph. Considering the change in volume of water as its temperature is raised from 0°C, discuss the difference in the behaviour of water and other substances. What is this behaviour of water called?
1 kg of ice at 0°C is mixed with 1 kg of steam at 100°C. What will be the composition of the system when thermal equilibrium is reached? Latent heat of fusion of ice = 3.36 × 103 J kg−1 and latent heat of vaporization of water = 2.26 × 106 J kg−1.
Describe an experiment to show that water has maximum density at 4°C. What important consequences follow this peculiar property of water? Discuss the importance of this phenomenon in nature.
Why does a thick glass tumbler crack when very hot water is poured in it?
Observe the given graph and answer the following questions:
- Name the process represented in the figure.
- At what temperature does this process take place?
_______ apparatus is used to study the anomalous behaviour of water.
Draw a neat and labelled diagram of Hope’s apparatus.
A graph between the volume and temperature of water is shown. Explain the anomalous behaviour of water.
