A great many methods have been employed to prevent the rusting of iron, by which is meant its chemical union with the oxygen of air ... have been found not to require much protection, when ...

This shows that the ions being lost by iron are being gained by the water and oxygen that are also involved in rusting. In this experiment, one iron nail is wrapped in magnesium, another in copper ...

So what’s the secret? Rust is the result of iron reacting with oxygen in air or water to form iron oxide. The corrosive process, known as oxidation, weakens the underlying material. But ...

Cast iron is primarily made of iron, which reacts with oxygen and water to form iron oxide, commonly known as rust. When cast ...

happens when a metal continues to oxidise. The metal becomes weaker over time, and eventually all of it may become metal oxide. Iron is oxidised because it gains oxygen during rusting.