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प्रश्न
Give two applications of evaporation.
संक्षेप में उत्तर
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उत्तर
Two applications of evaporation:
- When we sprinkle water on the roads in the summer evening, water evaporates by taking heat from the road and produces coolness in the surroundings and it becomes pleasant.
- After taking a bath in summer when we come out of the water, water evaporates taking heat from our body. The temperature of body falls and we feel refreshed.
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संबंधित प्रश्न
Evaporation takes place from the
A liquid can change into vapour state at all temperatures.
Water in a dish evaporates faster than in a bottle. Give reason.
Explain with an example to demonstrates that when a liquid evaporates, it takes heat from its surroundings.
What type of clothes should we wear in summer ? Why ?
How will you demonstrate that water vapour is present in air ?
Why is the air in a region dry?
How does the water kept in an earthen pot remain cool?
Look at Fig. 1.3 and suggest in which of the vessels A,B, C or D the rate of evaporation will be the highest? Explain.
The rate of evaporation is more when the surface area is greater.
