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Gaokao Chemistry Practice Question

下列物质对应的化学式不正确的是

  1. A.氯仿: $\mathrm{CHCl}_{3}$
  2. B.黄铜矿的主要成分: $\mathrm{Cu}_{2} \mathrm{S}$
  3. C.芒硝: $\mathrm{Na}_{2} \mathrm{SO}_{4} \cdot 10 \mathrm{H}_{2} \mathrm{O}$
  4. D.铝土矿的主要成分: $\mathrm{Al}_{2} \mathrm{O}_{3}$

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