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प्रश्न
Evaporation takes place at ................. .
रिकाम्या जागा भरा
उत्तर
Evaporation takes place at all temperature.
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Change of Liquid into Vapour State
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संबंधित प्रश्न
Evaporation is rapid on a wet day.
Temperature of a liquid rises during boiling or vaporization
Boiling is a rapid phenomenon.
Boiling occurs at ....................
The molecules of liquid ............. heat from surroundings in evaporation.
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 |
In evaporation
The boiling point of a liquid is increased by
Give reason for the increase in rate of evaporation of a liquid when air is blown above the liquid.
