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Gaokao Chemistry Practice Question

下列有关物质的性质与用途具有对应关系的是

  1. A.$\mathrm{NH}_{4} \mathrm{HCO}_{3}$ 受热易分解, 可用作化肥
  2. B.稀硫酸具有酸性, 可用于除去铁锈
  3. C.$\mathrm{SO}_{2}$ 具有氧化性, 可用于纸浆漂白
  4. D.$\mathrm{Al}_{2} \mathrm{O}_{3}$ 具有两性, 可用于电解冶炼铝

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