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化学是一门以实验为基础的自然科学,化学科学的形成和发展无不与化学实验有着密切的联系.同样,化学实验在化学学习中占有十分重要的地位,其所占的分值在高考中占有很大的比例.一、重视基本操作的学习一些基本的实验操作从初中即已开始训练,但很多高中学生的基本操作习惯中仍存在很多问题.如,加热时试管夹不知夹在何处,手拿试管夹时拇指摁住短柄,试管倾斜角度不对,试管不会振荡等.
Chemistry is an experiment-based natural science, the formation and development of chemical science are all closely linked with chemical experiments.Also, chemical experiments occupy a very important position in the chemistry study, and its share in the college entrance examination Occupy a large proportion of one, pay attention to the basic operation of learning some basic experimental operation has begun training from junior high school, but many high school students still have many basic operating habits, such as heating test tube clip I do not know where , Holding the test tube clip thumb holding the short handle, test tube tilt angle is wrong, the test tube will not oscillate and so on.