Physics 0625 · IGCSE · Kinetic particle model of matter

Kinetic particle model of matter — practice question

A pure liquid is placed in an open beaker, and some of its molecules leave the liquid by evaporation. Which statement about this process is correct?

  • ANone of the escaping molecules return to the liquid.
  • BThe escaping molecules are generally the more energetic ones.
  • CThe rate of escape of the molecules can be increased by increasing the depth of the liquid in the beaker.
  • DThe temperature of the remaining liquid is unaffected by the escape of the 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