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प्रश्न
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उत्तर
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संबंधित प्रश्न
Water is used as a cooling agent.
Give reason of Ice floats on water.
At what temperature is the density of water is maximum? State its value.
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 glass bottle completely filled with water and tightly closed at room temperature is likely to burst when kept in the freezer of a refrigerator.
Water is cooled from 4 °C to 0 °C. It will :
Explain, why does a glass bottle completely filled with water and tightly capped burst when placed in a freezer?
Explain why do vegetables and fruits get damaged during severe frost?
A deep pond of water has its top layer frozen. What will be the likely temperature of water layer at the bottom of the pond?
