下列各组溶液,不用其他试剂无法鉴别的是 A.H2SO4   NaCl   Na2CO3 

下列各组溶液,不用其他试剂无法鉴别的是

AH2SO4   NaCl   Na2CO3   CaCl2    BHCl  NaOH  CuSO4  MgSO4

CNa2CO3  K2SO4  BaCl2   HCl       DNaNO3  HCl  CaCl2   KOH

答案

D

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