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今有甲、乙、丙、丁、戊5种物质,在一定条件下,它们能按下图方式进行转化:

其推断正确的是

选项              甲                      乙                      丙                       丁                      戊

A                    NH3                    O2                      NO                     H2O                    NO2

B                    Mg                     CO2                    C                         MgO                  CO

C                    C                        H2O                    CO                      H2                       HCOOH

D                    FeBr2                 Cl2                      FeCl2                  Br2                     FeCl3

高三化学选择题中等难度题

少年,再来一题如何?
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