Asked in Chemistry
Does salt water makes a metal turn into rusts or is it fresh water that turns a metal turn into a rust?
They will both rust metal. Salt water just makes the metal rust faster. However, it is iron combined with oxygen that causes rust. So, if the metal isn't or doesn't contain iron, it will not rust. ...
How can rust be prevented?
Rust can be prevented by applying a protective layer to the metal. It prevents oxygen from getting to the metal. If the protective layer flakes away the metal will start to rust and the rust will spread under the protective layer! ...
Asked in Home & Garden
How does cast iron respond to rust?
Rust is the oxidation of the cast iron. Oxygen in the air combines with the base metal to create the rust. The rust protects the metal underneath. Cast iron is not "reacting" to rust. It is participating in FORMING the rust. ************** previous answer below *************** Very well as the rust actually protects the base metal ...