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2.2.3a Melting, boiling, condensation and solidification

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Question 170

An athlete is sweating after a run. The sweat on their skin gradually evaporates.

How does this evaporation affect the temperature of the remaining sweat, and how does it affect the average kinetic energy of the molecules remaining in the sweat?

A

Temperature: decreases; Average kinetic energy: decreases

B

Temperature: decreases; Average kinetic energy: increases

C

Temperature: increases; Average kinetic energy: decreases

D

Temperature: increases; Average 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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