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 **的*酐是                                                ...

練習題2.18W

問題詳情:

 **的*酐是                                                ...

 **的*酐是                                                                                                        

            2          C.N2O3          D.N2O5

【回答】

D

知識點:氮和*

題型:選擇題

標籤: