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物质的鉴别和推断题,多以定性分析为主,但也不乏需要精确的定量计算才能得出结论的.定性分析能够很好的检测学生对物质性质的掌握程度,定量计算则能够让学生通过精确的计算和推理,更加准确地判断物质的组成,更好的突出准确计算在化学学习中的重要性,更能培养学生在学习过程中严谨细致的作风.
Material identification and inference problems, mostly qualitative analysis, but there is also no lack of precise quantitative calculation can be drawn.Qualitative analysis can detect the student’s mastery of the material properties, quantitative calculation is to allow students to pass Accurate calculation and reasoning, to more accurately determine the composition of the material, to better highlight the importance of accurate calculation in chemical learning, but also to develop students in the learning process rigorous and meticulous style.