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物质鉴别是中考的重要题型,总体难度系数较高,具有关系复杂,灵活度大,综合性强等特点.因此要求学生具有较强思维能力和分析能力,能对所学化学知识熟练掌握、综合运用,是中考化学的一大难点.下面就中考化学中的物质鉴别题的复习与解题进行归纳和分析,供
Material identification is an important issue in the entrance examination. It has a high degree of overall difficulty. It has the characteristics of complicated relationships, high flexibility, and strong comprehensiveness. Therefore, students are required to have strong thinking ability and analytical ability, and to be able to master the knowledge of the learned chemistry. The comprehensive application is a major difficulty in the chemistry of middle school entrance examination. The following review and analysis of the material identification questions in the middle school entrance examination chemistry are summarized and analyzed.