2023 Tianjin Question 3 Single-choice Differentiating 2023_天津 Paper 3.下列方法(试剂)中,无法鉴别 $Na_{2}CO_{3}$ 和 $BaCl_{2}$ 两种物质的是( ) A. 焰色试验B. pH试纸C. 稀氨水D. $Na_{2}SO_{4}$ Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →