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纵观2012年河南省中考化学试题,其命制坚持了“稳中求变、变中求新”的原则,编排上注重新颖、灵活的情景设计,讲究图文相配,体现了对同学们的教育和人文关怀.“偏、难、繁、怪”的试题逐渐淡出历史舞台,凸现考查能力又富含教育价值的试题应运而生.设计了一些开放性试题(如第21题第2小题设计实验验证金属活动性顺序).开放性试题是指答案不唯一或方法多样性的试题,主要涉及环保问题、实验设计、知识方法总结等.由于开放性试题
Throughout the 2012 senior high school entrance examination questions in chemistry in Henan Province, their life insisted on the principle of “seeking stability while changing, seeking new”. The layout pays attention to the novel and flexible scenario design, emphasizing the matching of images and texts, The questions of “partial, difficult, complicated and strange” gradually fade out of the stage of history, and the exam questions that highlight the ability of examination and education have come into being.A number of open questions have been designed (for example, Question 21 The second small design experiment to verify the sequence of metal activity.) Open questions refers to the answer is not the only or methodological diversity of the questions, mainly related to environmental issues, experimental design, knowledge methods, etc. Due to open questions