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东北人民政府教育部编译的高级中学教科书化学第一册第一章‘盐及其制法’,内容极为丰富,大概地统计一下,这一章中共列举了八十七种盐、三十种氧化物、九种氢氧化物、九种金属和二十七种酸。是要在初中已习的酸、碱、盐的基础上进一步讲酸、碱、盐的相互关系,以期学生得到一个系统的概念。因此本章提到的元素、氧化物、酸、碱、盐、等物质相当的多。如不瞭解这一章编写的意义,必感觉内容太多,抓不着重点,尤其是一个方法又一个方法逐一的讲授,不容易得其要领,并且费时较多。现在把我个人所瞭解这一章的精彩处述出,供读者参考,并希望
Northeast People’s Government compiled by the Ministry of Education of high school textbook chemistry first chapter first chapter ’salt and its preparation method’ is extremely rich in content, probably statistics, this chapter lists a total of 87 kinds of salt, thirty kinds of oxidation Nine kinds of hydroxide, nine kinds of metal and twenty-seven kinds of acid. Is to be in the junior high school acid, alkali, salt basis to further talk about acid, alkali, salt interrelationship, so that students get a systematic concept. Therefore, the elements mentioned in this chapter, oxides, acids, alkalis, salts, and other substances are quite numerous. If you do not understand the significance of this chapter to write, will feel too much, can not grasp the key, especially one method and method of teaching one by one, not easy to get its essentials, and more time-consuming. Let me now present the best of my own understanding of this chapter for readers’ reference and hope