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每年的高考之后,总会有许多考生感到遗憾,如本来自己能够拿到的分,却因为平时不能从严要求自己,做题不够规范,从而在考场上丢掉了不该丢失的分。还有一些考生,不会审题或审题不细,犯了想当然的错误。为使众多考生引以为戒,笔者结合历年高考化学试题中考生易失分的地方作一小结,供读者参考。一、顺序排列问题高考化学试题中,不管是选择题,还是填空题,总会遇到一些顺序排列问题,如微粒半径大小排列、物质氧化性或还原性强弱排列、金属活泼性强弱排列等。解答该类试题,我们一定要分清是“由大到
After the college entrance examination every year, there are always many candidates who feel sorry for what they could get. However, because they usually can not be strict, they are not standardized enough to lose some points that should not be lost in the examination room. There are still some candidates, not examining or examining the subject is not fine, made the mistake of taking for granted. In order to make a large number of candidates take a warning, the author combined with chemical examination questions over the years the college entrance examination of students vulnerable areas for a summary for the reader's reference. First, the order of the questions Entrance exam questions, whether it is multiple-choice questions, or fill in the blank, there will always be some order of arrangement problems, such as the size of the particles arranged in size, the material oxidative or reductive strength of the arrangement of metal lively strength Wait. Answer such questions, we must distinguish is ”from big to big