The table shows the melting points and boiling points of four substances.
| Substance | Melting point / ∘C^\circ\mathrm{C}∘C | Boiling point / ∘C^\circ\mathrm{C}∘C |
|---|---|---|
| W | -39 | 357 |
| X | -95 | 56 |
| Y | 6 | 81 |
| Z | -12 | 98 |
Which substance is a liquid at every temperature from 0 ∘C0\,^\circ\mathrm{C}0∘C to 100 ∘C100\,^\circ\mathrm{C}100∘C?
W
X
Y
Z
84 exam-style questions on Edexcel GCSE Chemistry 3.1 States of matter, covering 3.1.1 The three states of matter and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.