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2.2 Thermal properties and temperature

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Question 244

An experimenter cools a gaseous substance until it turns into a liquid, and then into a solid. Which row describes the two changes of state of the substance as it is cooled?

Change of state 1Change of state 2AcondensingfreezingBcondensingmeltingCboilingfreezingDboilingmelting \begin{array}{|c|c|c|} \hline & \text{Change of state 1} & \text{Change of state 2} \\ \hline \textbf{A} & \text{condensing} & \text{freezing} \\ \hline \textbf{B} & \text{condensing} & \text{melting} \\ \hline \textbf{C} & \text{boiling} & \text{freezing} \\ \hline \textbf{D} & \text{boiling} & \text{melting} \\ \hline \end{array} ABCD​Change of state 1condensingcondensingboilingboiling​Change of state 2freezingmeltingfreezingmelting​​
A

Change of state 1: condensing; Change of state 2: freezing

B

Change of state 1: condensing; Change of state 2: melting

C

Change of state 1: boiling; Change of state 2: freezing

D

Change of state 1: boiling; Change of state 2: melting

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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