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2.2.3a Melting, boiling, condensation and solidification

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Question 232

During the evaporation of a liquid, particles escape from the surface.

Which row correctly describes the energy of the escaping particles and the resulting change in the average kinetic energy of the remaining molecules?

A

Energy of escaping particles: highest energy; average kinetic energy of remaining molecules: decreases

B

Energy of escaping particles: highest energy; average kinetic energy of remaining molecules: increases

C

Energy of escaping particles: lowest energy; average kinetic energy of remaining molecules: decreases

D

Energy of escaping particles: lowest energy; average kinetic energy of remaining molecules: 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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