在下列溶液中，各组离子一定能够大量共存的是_刷题宝

题干

在下列溶液中，各组离子一定能够大量共存的是（　　）

A：使酚酞试液变红的溶液：Na⁺、Cl^﹣、SO₄²^﹣、Fe³⁺

B：使紫色石蕊试液变红的溶液：Fe²⁺、Mg²⁺、MnO₄^﹣、Cl^﹣

C：pH＜7的溶液：K⁺、Ba²⁺、Cl^﹣、Br^﹣

D：碳酸氢钠溶液：K⁺、SO₄²^﹣、Cl^﹣、H⁺

上一题下一题 0.0难度选择题更新时间:2019-12-30 09:26:52

答案(点此获取答案解析）

C

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