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2.2.3a Melting, boiling, condensation and solidification

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Question 13

A bottle of milk is kept cool on a hot day by wrapping it in a wet cloth. As water evaporates from the cloth, it cools the bottle.

Which water molecules escape during evaporation, and what happens to the average kinetic energy of the water molecules that remain in the cloth?

A

those with lower kinetic energy; decreases

B

those with lower kinetic energy; increases

C

those with higher kinetic energy; decreases

D

those with higher 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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