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Gaokao Chemistry Practice Question

下列物质应用错误的是

  1. A.石墨用作润滑剂
  2. B.氧化镭用作食品干燥剂
  3. C.聚乙炔用作绝缘材料
  4. D.乙二醇溶液用作汽车防冻液

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