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प्रश्न
Why is cooling produced when a liquid evaporates?
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उत्तर
For changing liquid into vapours heat is needed this heat is taken from the container or surroundings and temperature of container or body itself fall and cooling is produced.
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संबंधित प्रश्न
Evaporation is rapid on a wet day.
Evaporation takes place only from the surface of liquid.
The molecules of liquid ............. heat from surroundings in evaporation.
Heat is ................... during boiling.
The rate of evaporation of a liquid increases when:
During boiling or vaporization
The boiling point of a liquid is increased by
Do all the molecules of a liquid take part in evaporation? If not, explain your answer.
Comment on the statement ‘evaporation is a surface phenomenon’.
What is boiling? Explain it on the basis of molecular motion?
