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JAMB Physics 2005 Question 50

Question 50

Change of State and Vapours

The process whereby a liquid turns spontaneously into vapour is called

  1. A.evaporation.
  2. B.regelation.
  3. C.boiling.
  4. D.sublimation.
Show the answer and explanation

Answer: A (evaporation.)

Explanation

Evaporation happens on its own at the surface at any temperature; boiling needs the liquid to reach its boiling point.