Chemistry 0620 · IGCSE · Solids, liquids and gases

Solids, liquids and gases — practice question

The melting points and boiling points of the pure substances M, N and O are given below. Melting points / $^{\circ}\text{C}$: M $-114$, N $115$, O $-101$. Boiling points / $^{\circ}\text{C}$: M $78$, N $445$, O $-34$. The substances are chlorine, ethanol and sulfur. Which row matches M, N and O?

  • AM chlorine, N ethanol, O sulfur
  • BM ethanol, N sulfur, O chlorine
  • CM sulfur, N chlorine, O ethanol
  • DM sulfur, N ethanol, O chlorine

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