也为这道鉴别题的错解析因广西武宣县中学（５４５９００）黎光读鉴别题的错解多种多样，各不相同．为鉴别题的错解析因，应根据鉴别物质的方法简便、现象明显的原则以及正确解答物质鉴别题的基本要求一选用试剂恰当、方法简使无误、描述（观察）现象全面、分析结论正确四... The reason for this misunderstanding of the differential question is that the misunderstandings of the Liguang reading differential question in Guangxi Wuxuan County Middle School (545900) are various and varied. The reason for the identification of the wrong answer should be based on the principle of simple identification of substances, the principle of obvious phenomena, and the basic requirements for correct answers to the substance identification questions: selection of reagents is appropriate, methods are simple and correct, description (observation) is comprehensive, and analysis results are correct. ...