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2.2 Thermal properties and temperature

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Question 89

A liquid is boiling. Which statement about the liquid is correct at an instant in time?

A

Molecules can escape only from the liquid's surface, and any molecule can escape.

B

Molecules can escape only from the liquid's surface, and only those with enough energy can escape.

C

Molecules can escape from any part of the liquid, and any molecule can escape.

D

Molecules can escape from any part of the liquid, and only those with enough energy can escape.

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2.2 Thermal properties and temperature Questions

  1. IGCSE
  2. /Physics
  3. /2.2 Thermal properties and temperature

528 exam-style questions on CIE IGCSE Physics 2.2 Thermal properties and temperature, covering 2.2.1 Thermal expansion of solids, liquids and gases, 2.2.2a Internal energy and temperature, 2.2.2b Specific heat capacity, 2.2.3a Melting, boiling, condensation and solidification, 2.2.3b Evaporation, and 2.2.3c Cooling by evaporation. Each one has a worked solution and a mark scheme showing where the marks go.

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