在氢氧化铁胶体中逐滴滴入下列某种溶液，出现的现象是先沉淀，后沉淀溶解．这种溶液是_刷题宝

题干

在氢氧化铁胶体中逐滴滴入下列某种溶液，出现的现象是先沉淀，后沉淀溶解．这种溶液是（　　）

A：稀硫酸

B：饱和硫酸镁溶液

C：氯化钠溶液

D：饱和硫酸铵溶液

上一题下一题 0.0难度选择题更新时间:2019-09-18 08:11:31

答案(点此获取答案解析）

A

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