一道化学难题(高手请进)8.下列各组物质,只用一种试剂就能鉴别的是 [ ]A.CH4、C2H2、C2H4、CH3-CH=CH2B.CH3CHO、CH3COOH、CH3CH2OHC.MnO2、CuO、FeS、Fe(粉)、C(粉)D.C6H5OH、C6H5C2H5、C6H5CH3、C6H6
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![一道化学难题(高手请进)8.下列各组物质,只用一种试剂就能鉴别的是 [ ]A.CH4、C2H2、C2H4、CH3-CH=CH2B.CH3CHO、CH3COOH、CH3CH2OHC.MnO2、CuO、FeS、Fe(粉)、C(粉)D.C6H5OH、C6H5C2H5、C6H5CH3、C6H6](/uploads/image/z/6747431-23-1.jpg?t=%E4%B8%80%E9%81%93%E5%8C%96%E5%AD%A6%E9%9A%BE%E9%A2%98%EF%BC%88%E9%AB%98%E6%89%8B%E8%AF%B7%E8%BF%9B%EF%BC%898.%E4%B8%8B%E5%88%97%E5%90%84%E7%BB%84%E7%89%A9%E8%B4%A8%2C%E5%8F%AA%E7%94%A8%E4%B8%80%E7%A7%8D%E8%AF%95%E5%89%82%E5%B0%B1%E8%83%BD%E9%89%B4%E5%88%AB%E7%9A%84%E6%98%AF+%5B+%5DA.CH4%E3%80%81C2H2%E3%80%81C2H4%E3%80%81CH3-CH%3DCH2B.CH3CHO%E3%80%81CH3COOH%E3%80%81CH3CH2OHC.MnO2%E3%80%81CuO%E3%80%81FeS%E3%80%81Fe%28%E7%B2%89%29%E3%80%81C%28%E7%B2%89%29D.C6H5OH%E3%80%81C6H5C2H5%E3%80%81C6H5CH3%E3%80%81C6H6)
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