一、联系生活实际题例1 可用铁制成烧菜用的锅,这是因为铁具有_____;在铁制品表面常喷刷油漆等,这是因为铁容易_____;用焊锡焊接铁制品前,可在焊接处滴几滴盐酸,其目的是____,该反应的化学方程式为______;盛放在油罐车内的石油产品振荡可以产生静电,容易引起火灾,所以在油罐车尾部有一条拖地铁链,这是利用铁的_____性质. 解析:铁在日常生活中应用广泛,因而用其性质来解决实际问题的命题是一大趋势,解决 First, contact with the actual life example 1 can be used to cook pot made of iron, this is because iron has _____; often spray paint on the surface of iron products, etc. This is because the iron is easy _____; before welding iron products with solder , can drop a few drops of hydrochloric acid in the welding place, its purpose is ____, the chemical equation of this reaction is ______; The oil product that is contained in the oil tanker can generate static electricity, it is easy to cause fire, so in the tanker rear There is a tow subway chain, which is the use of iron _____ nature. Analysis: iron is widely used in daily life, so the proposition of using its nature to solve practical problems is a major trend to solve