Advertisements
Advertisements
प्रश्न
All molecules of a liquid take part in boiling.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
Advertisements
उत्तर
True.
shaalaa.com
Change of Liquid into Vapour State
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Evaporation is rapid on a wet day.
Evaporation takes place only from the surface of liquid.
Boiling occurs 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 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’.
What is the change in average kinetic energy of molecules of a liquid during boiling at its boiling point?
Name two ways of change of liquid state to the vapour state and distinguish them.
