The table lists the melting points and boiling points of four different substances.
SubstanceMelting point (∘C)Boiling point (∘C)A−182−161B44280C−39357D6602519 \begin{array}{|c|c|c|} \hline \text{Substance} & \text{Melting point } (^\circ\text{C}) & \text{Boiling point } (^\circ\text{C}) \\ \hline \text{A} & -182 & -161 \\ \hline \text{B} & 44 & 280 \\ \hline \text{C} & -39 & 357 \\ \hline \text{D} & 660 & 2519 \\ \hline \end{array} SubstanceABCDMelting point (∘C)−18244−39660Boiling point (∘C)−1612803572519Which substance is a liquid at 25 ∘C25\ ^\circ\text{C}25 ∘C?
A
B
C
D
44 exam-style questions on CIE IGCSE Physics 2.1.1 States of matter and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.