Physics 5054 · O Level · Melting, boiling and evaporation

Melting, boiling and evaporation — practice question

What rises when a liquid changes into a gas at its boiling point?

  • Athe average kinetic energy of the molecules
  • Bthe molecular size
  • Cthe molecular spacing
  • Dthe total number of molecules

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI