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प्रश्न
Study the following diagrams and write down your observations.
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उत्तर
In the diagram, it is clear that the ice will melt faster in the flask than in the test tube because water is a bad conductor of heat and the transfer of heat in liquid through convection is from bottom to top.
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संबंधित प्रश्न
Give reason for Sea water does not freeze at 0°C.
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.
Draw a graph between volume and temperature, when 5 cm3 of ice at -10°C is heated to form water at +10°C.
Why does a thick glass tumbler crack when very hot water is poured in it?
When the temperature of water decreases below 4 °C it’s volume _______.
Match the columns:
| Column ‘A’ | Column ‘B’ |
| The density of water is maximum at | (a) 0°C |
| (b) 4°C | |
| (c) 100°C |
A graph between the volume and temperature of water is shown. Explain the anomalous behaviour of water.
