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試卷名稱：111年 - 111 台灣聯合大學系統_碩士班招生考試_化學類：綜合化學#125363
年份：111年
科目：研究所、轉學考(插大)◆綜合化學
28. For the oxides CrO, Cr2O3, and CrO3, which of the following is true?
(A) CrO is acidic, and Cr2O3 and CrO3 are basic.
(B) CrO and Cr2O3 are acidic and CrO3 is basic.
(C) CrO is basic, Cr2O3 is amphoteric, and CrO3 is acidic.
(D) All the oxides are acidic.
(E) All the oxides are basic.
