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प्रश्न
During boiling or vaporization
विकल्प
all molecules take part
temperature rises
no heat is absorbed
the average kinetic energy of molecules increases.
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उत्तर
all molecules take part
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संबंधित प्रश्न
All molecules of a liquid take part in the process of evaporation.
Evaporation takes place at ................. .
The molecules of liquid ............. heat from surroundings in evaporation.
Heat is ................... during boiling.
Cooling is produced in ....................
The boiling point of a liquid is increased by
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’.
Give reason for the increase in the rate of evaporation of a liquid when temperature of liquid is increased.
What is the change in average kinetic energy of molecules of a liquid during boiling at its boiling point?
