化学教学中突破难点的探索山西省永济中学张铎化学教学中有一些知识点，由于概念抽象、内函丰富、表现形式多变，使不少学生难以准确掌握，因而在运用过程中，往往会反复出错，成为“不治之症”。例如化学平衡、电解质溶液等。笔者在教学实践中，本着以深化理解为基础，提... Exploration of difficult points in chemistry teaching Exploration of Zhangqi chemistry teaching in Yongji Middle School in Shanxi Province has some knowledge points. Due to the concept abstraction, rich internal letters, and various forms of expression, many students find it difficult to accurately grasp, so in the process of application, often Repeated mistakes become “incurable.” For example, chemical balance, electrolyte solution, and the like. The author in the teaching practice, based on deepening the understanding as the foundation, mention...