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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.
What do you mean by the anomalous expansion of water?
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.
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.
A deep pond of water has its top layer frozen. What will be the likely temperature of water layer just in contact with ice?
In cold regions, in winter the pipes for water supply break.
