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प्रश्न
All molecules of a liquid take part in the process of evaporation.
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
Temperature of a liquid rises during boiling or vaporization
Boiling is a rapid phenomenon.
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
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’.
Give reason for the increase in rate of evaporation of a liquid when surface area of liquid is increased.
Give reason for the increase in the rate of evaporation of a liquid when temperature of liquid is increased.
