Chemistry 0620 · IGCSE · Fuels

Fuels — practice question

The table shows certain properties of four fuels. Which fuel is gaseous at room temperature and produces two products when it burns in an excess supply of air?

  • Ahydrogen, $ ext{H}_2$, melting point $-259^{\circ}\text{C}$, boiling point $-253^{\circ}\text{C}$
  • Bmethane, $ ext{CH}_4$, melting point $-182^{\circ}\text{C}$, boiling point $-164^{\circ}\text{C}$
  • Coctane, $ ext{C}_8\text{H}_{18}$, melting point $-57^{\circ}\text{C}$, boiling point $126^{\circ}\text{C}$
  • Dwax, $ ext{C}_{31}\text{H}_{64}$, melting point $60^{\circ}\text{C}$, boiling point $400^{\circ}\text{C}$

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