离子共存题是离子反应的重要题型之一,目前对该类知识的考查方式又有了新的出题方式,离子反应又有了更新内涵,下面两例可以帮助我们掌握解答新题型的方法和技巧. The ion coexistence question is one of the important questions of the ion reaction. At present, there is a new method for the examination of this type of knowledge, and the ion response has been updated. The following two examples can help us to grasp the new question type. Methods and tips.