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Gaokao Chemistry Practice Question

5. (6 分) 分子式为 $\mathrm{C}_{5} \mathrm{H}_{10} \mathrm{O}_{2}$ 且可与碳酸氢钠溶液反应放出气体的有机化合物 有 $(\quad)$

  1. A.3 种
  2. B.4 种
  3. C.5 种
  4. D.6 种

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