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प्रश्न
How is the heat energy supplied to a liquid used during boiling at a fixed temperature?
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उत्तर
During boiling the heat energy supplied is used in increasing the energy of water molecule and hence the change of phase takes place. On recieving sufficient amount of energy it get converted into the gaseous state.
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संबंधित प्रश्न
All molecules of a liquid take part in the process of evaporation.
All molecules of a liquid take part in boiling.
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 |
During boiling or vaporization
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’.
Why is cooling produced when a liquid evaporates?
What is boiling? Explain it on the basis of molecular motion?
What is the change in average kinetic energy of molecules of a liquid during boiling at its boiling point?
