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2.2.3a Melting, boiling, condensation and solidification

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Question 252

During the process of evaporation, some molecules escape from the liquid. Which molecules are able to escape, and how does this affect the average kinetic energy of the remaining liquid molecules?

A

Those with the highest kinetic energy; decreases

B

Those with the highest kinetic energy; increases

C

Those with the lowest kinetic energy; decreases

D

Those with the lowest kinetic energy; increases

Markscheme

2.2.3a Melting, boiling, condensation and solidification Questions

  1. IGCSE
  2. /Physics
  3. /2.2.3a Melting, boiling, condensation and solidification

313 exam-style questions on CIE IGCSE Physics 2.2.3a Melting, boiling, condensation and solidification. Each one has a worked solution and a mark scheme showing where the marks go.

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