NaOH、Ba（OH）₂和Na₂CO₃三種溶液，試用一種試劑把它們鑒別開(kāi)來(lái)，這種試劑是(   )                                                                                                                                                       

A．稀鹽酸        B．稀硫酸        

C．硝酸銀溶液       D．氯化鎂溶液

NaOH、Ba（OH）₂和Na₂CO₃三種溶液，試用一種試劑把它們鑒別開(kāi)來(lái)，這種試劑是

1. A.
   稀鹽酸
2. B.
   稀硫酸
3. C.
   硝酸銀溶液
4. D.
   氯化鎂溶液

NaOH、Ba（OH）₂和Na₂CO₃三種溶液，試用一種試劑把它們鑒別開(kāi)來(lái)，這種試劑是(   )                                                                                                                                                       

A．稀鹽酸        B．稀硫酸        

C．硝酸銀溶液       D．氯化鎂溶液

NaOH、Ba（OH）₂和Na₂CO₃三種溶液，試用一種試劑把它們鑒別開(kāi)來(lái)，這種試劑是(  )                                                                                                                                                       

A．稀鹽酸        B．稀硫酸        

C．硝酸銀溶液       D．氯化鎂溶液

NaOH、Ba（OH）₂和Na₂CO₃三種溶液，試用一種試劑把它們鑒別開(kāi)來(lái)，這種試劑是(   )