论文部分内容阅读
在各地的中考化学试卷上,联系生活实际的考题比比皆是,涉及的内容包罗万象,这一命题思路充分体现了“从生活走向化学,从化学走向社会”的新课程理念.一、考点分析1.化学与能源和资源的利用.2.食品中常见的有机物,淀粉、葡萄糖的检验方法,蛋白质的盐析、变形.3.化学元素与人体健康.4.金属材料、无机非金属材料、合成材料、复合材料.5.水污染、空气污染、温室效应、酸雨、电池污染、白色污染、垃圾的危害与处理.
Examination papers around the entrance examination in the field, the actual life of the examination questions abound, covering all-encompassing, this proposition idea fully embodies the “from the life to chemistry, from chemistry to society ” new curriculum concept. Analysis 1. Chemistry and the use of energy and resources .2. Common organic food, starch, glucose test methods, protein salting, deformation .3 chemical elements and human health .4. Metallic materials, inorganic non-metallic materials , Synthetic materials, composite materials .5 water pollution, air pollution, greenhouse effect, acid rain, battery pollution, white pollution, garbage hazards and treatment.