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计算型选择题典型错解10析刘开福(四川綦江中学631420)计算型选择题的错解是学生考试失分的重要因素之一。错解的原因可归纳为以下十个方面。一、忽视反应物的双重作用而导致错解例1在反应3BrF3+5H2O=HBrO3+Br2+9HF+O2↑中,5摩水...
Typical Mistakes in Computational Multiple Choices 10 Analysis Liu Kaifu (Sichuan Minjiang Middle School 631420) The misconception of the computational multiple-choice questions is one of the important factors for the student’s test score loss. The reasons for misunderstanding can be summarized in the following ten aspects. First, ignore the dual role of reactants lead to misunderstanding Example 1 in the reaction 3BrF3 + 5H2O = HBrO3 + Br2 + 9HF + O2 crucible, 5 water ...