NaOH、Ba（OH）₂和Na₂CO₃三种溶液，试用一种试剂把它们鉴别开来，这种试剂是(   )                                                                                                                                                       

A．稀盐酸        B．稀硫酸        

C．硝酸银溶液       D．氯化镁溶液

NaOH、Ba（OH）₂和Na₂CO₃三种溶液，试用一种试剂把它们鉴别开来，这种试剂是

1. A.
   稀盐酸
2. B.
   稀硫酸
3. C.
   硝酸银溶液
4. D.
   氯化镁溶液

NaOH、Ba（OH）₂和Na₂CO₃三种溶液，试用一种试剂把它们鉴别开来，这种试剂是(   )                                                                                                                                                       

A．稀盐酸        B．稀硫酸        

C．硝酸银溶液       D．氯化镁溶液

NaOH、Ba（OH）₂和Na₂CO₃三种溶液，试用一种试剂把它们鉴别开来，这种试剂是(  )                                                                                                                                                       

A．稀盐酸        B．稀硫酸        

C．硝酸银溶液       D．氯化镁溶液

NaOH、Ba（OH）₂和Na₂CO₃三种溶液，试用一种试剂把它们鉴别开来，这种试剂是(   )