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Gaokao Chemistry Practice Question

下列物质对应的化学式正确的是

  1. A.白磷: $P_{2}$
  2. B.2 - 甲基丁烷: $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCH}_{2} \mathrm{CH}_{3}$
  3. C.胆矾: $\mathrm{FeSO}_{4} \cdot 7 \mathrm{H}_{2} \mathrm{O}$
  4. D.硬脂酸: $\mathrm{C}_{15} \mathrm{H}_{31} \mathrm{COOH}$

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