题目:
下列鉴别方法可行的是
A.用氨水鉴别Al3+、Mg2+和Ag+
B.用核磁共振氢谱鉴别1-溴丙烷和2-溴丙烷
C.用Ba(NO3)2溶液鉴别Cl-、SO42-和CO32-
D.用KMnO4酸性溶液鉴别CH3CH=CHCH2OH和CH3CH2CH2CHO
答案:
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