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प्रश्न
The boiling point of a liquid is increased by
पर्याय
increasing the volume of liquid
increasing the pressure, on liquid
adding ice to the liquid
decreasing pressure on liquid.
MCQ
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उत्तर
increasing the pressure, on liquid
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Change of Liquid into Vapour State
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संबंधित प्रश्न
Evaporation is rapid on a wet day.
Evaporation takes place only from the surface of liquid.
Boiling is a rapid phenomenon.
Evaporation takes place at ................. .
Cooling is produced in ....................
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 |
The rate of evaporation of a liquid increases when:
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?
How is the heat energy supplied to a liquid used during boiling at a fixed temperature?
