题目

在溶液中能大量共存的离子组是A.Ba2+、HSO4- 、Cl- 、NO3-                    B.Fe3+、NH4+ 、SCN- 、OH- C.OH-、Ag(NH3)2+、Na+ 、K +                 D.HS-  、Na+、ClO-、Fe2+  答案:C解析: —What would you like, coffee or tea?—________. I just need some water.A. Both B. Either C. Neither D. All
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