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प्रश्न
Give two applications of evaporation.
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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
Why are volatile liquids such as alcohol and spirit stored in tightly closed bottles?
Explain why in hot summer days water remains cool in earthen pots.
Would you cool a bucket of water more quickly by placing it on ice or by placing ice in it? Give reasons for your answer.
Define the following terms Condensation
Why are we able to sip hot tea or milk faster from a saucer rather than from a cup ?
How can the evaporation of a liquid be made faster ?
How does the water kept in an earthen pot remain cool?
Comment on the following statements:
Evaporation produces cooling.
Comment on the following statements:
Rate of evaporation of an aqueous solution decreases with increase in humidity.
The rate of evaporation ______ with rising temperature.
