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2.2 Thermal properties and temperature

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Question 138

A substance starting as a solid is heated. It first changes state to a liquid, and then with continued heating, it becomes a gas.

The gas is then cooled and changes back into a liquid.

What is the correct order of changes of state for this substance during these processes?

A

melting→vaporisation→condensation\text{melting} \to \text{vaporisation} \to \text{condensation}melting→vaporisation→condensation

B

melting→condensation→vaporisation\text{melting} \to \text{condensation} \to \text{vaporisation}melting→condensation→vaporisation

C

freezing→vaporisation→condensation\text{freezing} \to \text{vaporisation} \to \text{condensation}freezing→vaporisation→condensation

D

melting→sublimation→condensation\text{melting} \to \text{sublimation} \to \text{condensation}melting→sublimation→condensation

Markscheme

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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