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प्रश्न
Evaporation is rapid on a wet day.
विकल्प
True
False
MCQ
सत्य या असत्य
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उत्तर
False.
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Change of Liquid into Vapour State
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संबंधित प्रश्न
Evaporation takes place only from the surface of liquid.
Boiling occurs at ....................
Heat is ................... during boiling.
Match the column
| Column A | Column B |
| (a) Blowing air increases | (1) Increase in intermolecular separation |
| (b) Increase in pressure increases | (2) Pendulum of a clock |
| (c) Thermal expansion |
(3) Cooking utensils |
| (d) Invar | (4) Boiling point |
| (e) Pyrex glass | (5) Evaporation |
During boiling or vaporization
Comment on the statement ‘evaporation is a surface phenomenon’.
Why is cooling produced when a liquid evaporates?
Give reason for the increase in rate of evaporation of a liquid when surface area of liquid is increased.
What is boiling? Explain it on the basis of molecular motion?
Name two ways of change of liquid state to the vapour state and distinguish them.
