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本文阐述了以未知离子实验为主线的定性分析实验方式，在培养学生的两个能力及充分调动学生实验的积极性方面较以往的以验证实验为主线的定性分析实验的可行之处．
This paper presents a qualitative analysis experiment method based on the unknown ion experiment, which is more feasible than the previous qualitative analysis experiments based on the verification experiment in cultivating the students ’two abilities and fully mobilizing the enthusiasm of students’ experiments.