挑战习题
1/5单选题
难度:

1.下列物质在指定条件下电离方程式正确的是
A Na2CO3溶于水 Na2CO3===Na+CO
B Al(OH)3酸式电离 Al(OH)3===H+H2O
C NaHS溶于水HS的电离 HS+H2O H2S+OH-
D 熔融NaHCO3 NaHCO3===Na
提示1:
IEFsKE9IKTxzdWI+Mzwvc3ViPuWRiOS4pOaAp++8jOWboOatpOaXoOiuuuaYr+mFuOi/mOaYr+eisemDveaYr+W8seeahO+8jOW6lOivpeeUqOWPr+mAhuWPt+OAgg==
正确答案:RA==
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