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化学知识来源于生活,离不开实验,化学实验可以提高学生的学习兴趣,加深学生对知识的理解和应用,培养学生的观察能力、分析和解决问题的能力,培养学生的思维能力和探究能力,培养学生实事求是、严肃认真的科学态度以及良好的学习习惯。实验考查是高考中的必考试题,是高考的热点、难点。下面便是2013年高考全国卷的一道实验题,代表了化学实验命题的方向,给我们的实验复习以很好的启示。一、试题及分析题目.(2013年全国卷Ⅱ26题)正丁醛是一种化工原料。
Chemical knowledge comes from life, can not be separated from the experiment, chemical experiments can improve students ’interest in learning, deepen students’ understanding and application of knowledge, develop students ’observation ability, analyze and solve problems, develop students’ thinking ability and inquiry ability , Train students to seek truth from facts, serious and serious scientific attitude and good study habits. Experimental test is the entrance exam in the exam, is the hot college entrance examination, the difficulty. Here is a 2013 national college entrance examination roll of questions, representing the direction of the chemical experiment proposition, to our experimental review with a good revelation. First, the test questions and analysis of the title (2013 National Volume II26) n-butyraldehyde is a chemical raw materials.