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2012年高考是河北省实施新课改后的第一次高考,通过对2012年高考化学试题进行仔细分析不难发现,试题对化学用语尤其是化学方程式书写考查力度较大,整套试题中考查方程式书写的有12个,其中必答部分6个,共10分,占Ⅱ卷必考题总分的23.3%。12个方程式中,来源于教材的只有三个,其余均为依据题中信息书写陌生方程式。通过对全省考生作答情况的数据统计可以看出,方程式书写所占比重较大的第26题(占分值50%)、第36题(占分值66.7%)作答情况很不理想,得分率分别为35.5%和28%,是Ⅱ卷必考题和选考题中得分率最低的。
College entrance examination in 2012 in Hebei Province after the implementation of the new college entrance examination, through a careful analysis of the 2012 college entrance examination chemistry test is not difficult to find, test questions on the chemical terms, especially the chemical formula writing test more comprehensive examination of equations There are 12 written, of which 6 parts must be answered, a total of 10 points, accounting for 23.3% of the total score of the exam will be Ⅱ. 12 equations, only three from the textbook, the rest are based on the information written in the strange equation. According to the data statistics of the candidates in the province, we can see that the 26th (accounting for 50%) and the 36th (66.7% The rates were 35.5% and 28%, respectively. It is the minimum required score for the II exam and the exam questions.