Why Does Metal Rust?


Metal rusts as a result of iron coming into contact with water or air. When the water combines with air on the metal, carbonic acid is formed and the iron is dissolved hence making some of the water to break down into hydrogen and oxygen. When the oxygen comes into contact with the iron, iron oxide is formed making the metal to rust.
Q&A Related to "Why Does Metal Rust?"
1. Move your metal to a location that's safe for cleaning and welding. The area should provide plenty of ventilation and be free of any flammable materials. This area should also
1. Ensure that the metal you are working with will rust. Only metals containing iron will rust, and some iron alloys will rust slowly or not at all. Stainless steel, an alloy of iron
Rust is the name given to the compound Iron oxide, which forms when Iron reacts with Oxygen in the air. Metals which do not contain Iron or Chlorine don't rust.
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2 Additional Answers
Rust occurs when iron reacts with oxygen and then forms iron oxide. This only happens in metals when moisture, oxygen, and iron react to each other.
Rust is a chemical reaction between the metal, the air and water. Rust is the creation of iron oxides. Interesting fact: Mars is red mostly because it is covered with rust, despite having no liquid water on the surface. You can find more information here: http://en.wikipedia.org/wiki/Rust
Explore this Topic
Metals rust due to formation of Iron oxides after the metals are exposed to water and air for sufficient period of time. This rusting generally occurs on iron ...
Rust is a problem as it causes the weakening of metals because it interferes with it's metallic bonds. It also shortens the life of metals and reduces it's lustre ...
Rust is a type of corrosion; it is the slow breaking down of metals due to contact with air or water. ...
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