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化学是研究物质的组成、结构、性质以及变化规律的一门科学,化学物质多若星辰,变化万千,因而由化学现象编制的讨论型化学习题、试题在中学化学教学,尤其是在高中化学教学中比比皆是.笔者从2011年全国各地中考化学试题中精选两道讨论型化学中考题,在我校举行的“中考试题解题能力竞赛”活动中,对22名化学教师体现出了很好的区分度.下面是笔者对两道题的解答和点评.
Chemistry is a scientific study of the composition of matter, structure, nature and variation of science, chemical substances, if the stars, ever-changing, and thus prepared by the chemical phenomenon of the discussion of chemical problems, chemistry teaching in high school, especially in high school chemistry The teaching abounds in the author from the 2011 throughout the country in the selection of senior high school entrance exam chemistry two exam questions in the school held in the “middle school exam problem solving skills competition” activities, the 22 chemical teachers reflect A very good distinction between the following is the author of the two questions answered and comments.