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2.2.3a Melting, boiling, condensation and solidification

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Question 153

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

2.2.3a 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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