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2.2.3a Melting, boiling, condensation and solidification

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Question 34

When hand sanitizer is applied to a person's hands, the liquid evaporates, making the skin feel cooler.

Which statement explains this evaporation in terms of particles?

A

The least energetic particles escape from the liquid surface and do not return.

B

The least energetic particles escape from the liquid surface and then return.

C

The most energetic particles escape from the liquid surface and do not return.

D

The most energetic particles escape from the liquid surface and then return.

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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