一、2007-2013年广东省高考实验试题分值及比例由以上数据可以看出,广东省高考实验题在化学学科中所占的比重是比较高的,分值每年都在20%以上,特别是2007年占43.3%。高考复习中,对实验的复习必须特别重视。二、2007-2013年广东省高考化学实验考查主要知识点1.化学实验常用仪器的主要用途和使用方法。2.化学实验的基本操作、化学实验基础知识,某些仪器在实验中的作用。3.常见气体的实验室制法(包括所用试剂、仪器、反应原理和 First, the 2007-2013 college entrance examination in Guangdong Province test scores and proportions As can be seen from the above data, Guangdong Province entrance examination questions in the chemical discipline is a relatively high proportion of points each year in more than 20%, in particular It is 43.3% in 2007. College entrance examination, the review of the experiment must pay special attention. Second, from 2007 to 2013, Guangdong Province, the main entrance to the chemical test test knowledge points 1. The main purpose of chemical experiments commonly used instruments and methods of use. 2. The basic operation of chemical experiments, the basic knowledge of chemical experiments, the role of some instruments in the experiment. 3. Common gas laboratory preparation (including the reagents used, instruments, reaction theory and