Physics
During boiling or vaporization:
- all molecules take part
- temperature rises
- no heat is absorbed
- the average kinetic energy of molecules increases
Heat Energy
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Answer
all molecules take part
Reason — During boiling or vaporization, all the molecules of the liquid absorb heat energy supplied to it from an external source. Hence, all the molecules of the liquid acquire sufficient kinetic energy to take part in boiling or vaporization.
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