如何在中考前用有限的时间最大限度地提高学生的学业成绩,是每位学生、老师及家长共同关注的热点。现结合笔者的体会,略谈点中考化学复习的方略。化学中有许多相近易混淆的知识点,这是命题的热点所在,因此一定要准确记忆和透彻理解,分清区别和联系,把握内涵和外延。下面是笔者归类整理的部分知识点。一本——课本中涉及到的一些“本质区别”:物理变化和化学变化的本质区别是是否有新物质生成,分子和原子 How to maximize the academic performance of students with limited time before the exams is a hot spot that every student, teacher and parent pays close attention to. Now the author’s experience, a little talk about the strategy of reviewing chemistry. There are many similar and confusing points of knowledge in chemistry. This is the hot topic of propositions. Therefore, we must accurately remember and thoroughly understand and distinguish the differences and connections and grasp the connotation and extension. The following is a part of the knowledge of the author classified finishing. A Book - Some of the Essential Differences Involved in Textbooks: The Essential Difference between Physical Change and Chemical Change Is Whether New Materials Are Generated, Molecules and Atoms