一、复习要求1.常识性介绍:我国钢铁工业的发展概况;几种常见金属及合金的应用;铁与人体健康.2.了解:铁的物理性质;钢铁的冶炼原理;铁锈蚀的化学原理以及防锈方法;生铁和钢在主要成分、机械性能、用途方面的差异.3.掌握铁的化学性质.二、知识结构 铁性质化学性质跟氧气反应在纯 I. Review requirements 1. Common sense introduction: Overview of the development of China’s iron and steel industry; Application of several common metals and alloys; Iron and human health. 2. Understanding: Physical properties of iron; Principle of iron and steel smelting; The chemical principle of iron corrosion And rust-proof methods; differences in the main components, mechanical properties, and uses of pig iron and steel. 3. Grasp the chemical properties of iron. Second, knowledge structure iron properties chemical properties react with oxygen in pure