加碘盐是绝大多数人都要使用的调味品 ,补碘也是当今人类社会非常关注的问题。对于加碘盐的探究 ,既能使学生复习和应用卤素及氧化还原反应的知识 ,又能提高学生的探究能力。因此 ,我选择此主题作为复习课的内容。首先 ,我和同事从超市买来几种不同品种的加碘盐。通过查阅资料 Iodized salt is a condiment that most people use. Iodine supplementation is also a problem that human society is very concerned about today. The exploration of iodized salt can not only enable students to review and apply the knowledge of halogens and redox reactions, but also improve students’ exploration ability. Therefore, I chose this topic as the content of the review class. First, my colleagues and I bought several different varieties of iodized salt from supermarkets. By consulting data