為甚麼鐵會生鏽?

Pure iron is refined from mineral iron oxides which are more stable than the pure metal. Thus when iron exists , naturaly is easily oxidized to form more stable iron oxides. With miosture & oxygen, iron get rusted easily.

Pure iron is refined from mineral iron oxides which are more stable than the pure metal. Thus when iron exists , naturaly is easily oxidized to form more stable iron oxides.

Iron will react with oxygen and form FeO2.
FeO2 in chinese is 鏽.

空氣中有氧的存在 。而鐵銹蝕的必要條件是要有氧氣和水的存在,所以，鐵生銹時,它被氧氣 氧化。