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2.2.3a Melting, boiling, condensation and solidification

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Question 246

When a liquid evaporates, some molecules escape from its surface. Which molecules are most likely to escape, and how does the average kinetic energy of the remaining molecules change?

A

those with the lowest kinetic energy; increases

B

those with the lowest kinetic energy; decreases

C

those with the highest kinetic energy; increases

D

those with the highest kinetic energy; decreases

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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