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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.
Explain the following
A glass bottle completely filled with water and tightly closed at room temperature is likely to burst when kept in the freezer of a refrigerator.
Draw a graph between volume and temperature, when 5 cm3 of ice at -10°C is heated to form water at +10°C.
What are hot spots? How can you extract energy from a hot spot, if it does not come in contact with underground water?
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.
Match the columns:
| Column ‘A’ | Column ‘B’ |
| The density of water is maximum at | (a) 0°C |
| (b) 4°C | |
| (c) 100°C |
