Oxygen. It goes rusty because oxygen is a poison. Oxygen also makes butter go rancid. Animals have got used to this poison.
If you expose iron to air then it gets rusty but it sure does take ime to get rusty.
Homogeneous
iron, copper and nickel mainly
its harmful because when metal goes rusty it looses it power and then eventually the car will fall apart.
Iron in the water would cause rusty stains in the toilet.
If you expose iron to air then it gets rusty but it sure does take ime to get rusty.
Yes it does
it makes the rock rusty
Yes, as long as oxygen is present aswell, iron will rust.
The reaction with oxygen
no, rust is not a disease, rust is a chemical reaction that occurs when iron reacts with water and air
Steel or iron goes rusty in water.
Only one metal can rust, so the question refers to iron.
leave it in the rain or get it wet and let it rust. it is the same with all iron or medal.
If they have iron oxide on them.
They are made out of iron
Only those coins made from iron or an iron alloy, and that are rusty.