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2.2.3a Melting, boiling, condensation and solidification

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Question 146

The table gives the melting points and boiling points of acetic acid and ethanol:

SubstanceMelting pointBoiling pointacetic acid17∘C118∘Cethanol−114∘C78∘C \begin{array}{|c|c|c|}\hline \text{Substance} & \text{Melting point} & \text{Boiling point} \\ \hline \text{acetic acid} & 17^\circ\text{C} & 118^\circ\text{C} \\ \hline \text{ethanol} & -114^\circ\text{C} & 78^\circ\text{C} \\ \hline \end{array} Substanceacetic acidethanol​Melting point17∘C−114∘C​Boiling point118∘C78∘C​​

At which temperature will both acetic acid and ethanol be liquid?

A

−20∘C-20^\circ\text{C}−20∘C

B

10∘C10^\circ\text{C}10∘C

C

50∘C50^\circ\text{C}50∘C

D

90∘C90^\circ\text{C}90∘C

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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