2015 Guangdong Question 2 Single-choice Differentiating 2015_广东卷 (化学) 8.水溶液中能大量共存的一组离子是( ) A. NH4+ 、Ba 2+、Br-、CO32-B. Cl -、SO32-、Fe2+、H+C. K+、Na+、SO42-、MnO4-D. Na +、H+、NO3-、HCO3- Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →