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推断题是初中化学中考试题中既常见又重要的一类题型。该类题目考查知识面广、综合性强,不仅考查学生对元素及其化合物知识的掌握情况,更考查学生的分析、推理、综合应用知识的能力。面对这类题型,大多数学生普遍感觉难度较大,解题时没有把握,造成了高失分的现象。那么如何轻松解题呢?笔者认为:拥有清晰的思路是解题的前
Inferred questions is a common and important type of questions in junior high school chemistry exam questions. This kind of topic examines a wide range of knowledge and comprehensiveness, not only examines students ’knowledge of elements and their compounds, but also examines students’ abilities of analyzing, reasoning and applying knowledge comprehensively. Faced with this type of questions, most students generally feel more difficult, unsure of the problem-solving, resulting in a high loss of the phenomenon. So how to easily solve the problem? I think: have a clear idea is to solve the problem before