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鉴别下列各组无色溶液,所选试剂正确的是(   )

选项                   待鉴别溶液                                       所选试剂(均为溶液)

A                         Ca(OH)2和KOH                           Na2CO3

B                         HCl和H2SO4                                      AgNO3

C                         AgNO3和K2SO4                                 BaCl2

D                         HNO3和NaNO3                                  酚酞

九年级化学选择题中等难度题

少年,再来一题如何?
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