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प्रश्न
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 |
जोड़ियाँ मिलाइएँ
उत्तर
| Column A | Column B |
| (a) Blowing air increases | (5) Evaporation |
| (b) Increase in pressure increases | (4) Boiling point |
| (c) Thermal expansion |
(1) Increase in intermolecular separation |
| (d) Invar | (2) Pendulum of a clock |
| (e) Pyrex glass | (3) Cooking utensils |
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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.
Temperature of a liquid rises during boiling or vaporization
Heat is ................... during boiling.
Cooling is produced in ....................
The rate of evaporation of a liquid increases when:
No heat is supplied to a liquid during evaporation. How does then the liquid change into its vapours?
Comment on the statement ‘evaporation is a surface phenomenon’.
Why is cooling produced when a liquid evaporates?
How is the heat energy supplied to a liquid used during boiling at a fixed temperature?
Name two ways of change of liquid state to the vapour state and distinguish them.
