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化学是一门以实验为基础的自然学科。中考试题中实验题必不可少,它旨在考查学生的动手操作能力、观察能力、分析能力;培养学生严谨务实的作风及探索精神;提高学生的综合素质。近几年各地中考试题中,实验题型越来越形式多样,内容涉及到:仪器认别、基本操作、实验现象的描述、实验方案的评价或设计、原因分析、除杂、干燥、组合实验、实验中的定性分析及定量计算等等。现就近年来各地中考实验题作一次题型例析,仅供参考。
Chemistry is a natural science based on experimentation. The test questions in the exam questions are indispensable. It aims to examine students’ hands-on skills, observation skills, and analytical skills; cultivate students’ rigorous and pragmatic style and exploration spirit; and improve students’ overall quality. In recent years, the test questions in various subjects have been more and more varied in various forms. The contents involved: instrument identification, basic operation, description of experimental phenomena, evaluation or design of experimental programs, cause analysis, impurity removal, drying, and combination experiments. , Qualitative analysis and quantitative calculation in the experiment and so on. Now in recent years, all over the middle school entrance exam experiment questions for a case analysis, for reference only.