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Gaokao Chemistry Practice Question

2.（6 分）下列各组中的物质均能发生加成反应的是（）

  1. A.乙烯和乙醇
  2. B.苯和氯乙烯
  3. C.乙酸和溴乙烷
  4. D.丙烯和丙烷

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