2:18 know the conditions under which iron rusts Iron rusts when oxygen and water are present. Reaction: Hydr0Gen2018-04-25T21:43:29+00:00Categories: (d) Reactivity series, 2 Inorganic chemistry, Edexcel iGCSE Chemistry|Tags: 2:18, Chemistry, Double, GCSE, GCSE_Chemistry_SpecPoint, SpecPoint, Topic: Metal Reactivity & Halogens|