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物质的性质及制备实验题是近几年高考实验题中的重要题型。总结2014年高考理综化学新课标卷,发现其有如下特点:1考查化学平衡、离子平衡、电解原理等知识点的题目难度有所降低,而更多地考查了物质的性质及制备方法;2整套试题注重考查化学实验操作,首次将此部分分值比例提高到近几年的最高;3实验题是对有机物质合成的考查;4更加注重考查学生对知识的应用和创新能力,题目难度控制在中等。物质的性质及制备知识板块在高考复
The nature of the material and the preparation of experimental questions in recent years, an important test questions in college entrance examination questions. Summarize the 2014 college entrance examination science and chemistry new curriculum standard volume and found that it has the following characteristics: 1 examination of chemical equilibrium, ion balance, electrolysis principle and other knowledge points of the subject to reduce the difficulty, and more to examine the nature of the material and preparation methods ; 2 full set of questions focus on examining chemical experiment operation, for the first time the proportion of this part of the score increased to the highest in recent years; 3 experimental questions is the organic material synthesis test; 4 pay more attention to students’ knowledge of the application and innovation ability, subject Difficult to control the medium. The nature of the material and preparation of knowledge in the college entrance examination complex