The melting points and boiling points of pure substances M, N and O are shown.
| M | N | O |
|---|
| melting point / °C | −114 | 115 | −101 |
|---|
| boiling point / °C | 78 | 445 | −34 |
|---|
The substances are chlorine, ethanol and sulfur.
Which row identifies M, N and O? | M | N | O |
|---|
| A | chlorine | ethanol | sulfur |
|---|
| B | ethanol | sulfur | chlorine |
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| C | sulfur | chlorine | ethanol |
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| D | sulfur | ethanol | chlorine |
|---|