Physics 0625 · IGCSE · Kinetic particle model of matter

Kinetic particle model of matter — practice question

A liquid is undergoing evaporation. It is not boiling. Which statement about the liquid is correct at a particular moment in time?

  • AAny molecule can escape, and from any part of the liquid.
  • BAny molecule can escape, but only from the liquid’s surface.
  • COnly molecules with enough energy can escape, and only from the liquid’s surface.
  • DOnly molecules with enough energy can escape, but from any part of the liquid.

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