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प्रश्न
Give reason for Sea water does not freeze at 0°C.
एका वाक्यात उत्तर
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उत्तर
Sea water contains impurities that decrease its freezing point. That is why it does not freeze at 0°C.
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Anomalous Expansion of Water
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संबंधित प्रश्न
Explain the following:
How can you relate the formation of water droplets on the outer surface of a bottle taken out of refrigerator with formation of dew?
At what temperature is the density of water is maximum? State its value.
Draw a graph to show the variation in density of water with temperature in the range from 0°C to 10°C.
Density of water is maximum at :
A deep pond of water has its top layer frozen. What will be the likely temperature of water layer just in contact with ice?
Study the following diagrams and write down your observations.
Explain the 'anomalous expansion' of water.
Describe an experiment to demonstrate thermal expansion in gases.
What is the usual range of temperature marked on a clinical thermometer?
Express 0°C in Kelvin.
