首页 / 下列各组溶液，不用其它试剂就不能将其鉴别开来的是： （A）Na2SO4

下列各组溶液，不用其它试剂就不能将其鉴别开来的是： （A）Na2SO4

下列各组溶液，不用其它试剂就不能将其鉴别开来的是：

（A）Na2SO4  Na2CO3  BaCl2  HCl        （B）Na2SO4  BaCl2  KNO3  NaCl

（C） NaCl  HCl  NaOH  酚酞             （D）NaOH  H2SO4  FeCl3  MgCl2

答案

B

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