2014 Chongqing Question 2 Single-choice Differentiating 2014_重庆卷 (化学) 2.下列实验可实现鉴别目的的是[来源: Z#X#X#K] A. 用KOH溶液鉴别SO 3(g)和SO 2B. 用湿润碘化钾淀粉试纸鉴别Br 2(g)和NO 2C. 用CO 2 鉴别NaAlO 2 溶液和CH 3COONa溶液D. 用BCl 2 溶液鉴别AgNO 3 溶液和K 2SO4 溶液 Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →