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Rust is porous, it allows air & water to get to the metal underneath.

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8y ago

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Related Questions

What cause zinc to rust?

Zinc doesn't rust; zinc protect iron (and alloys) from rusting.


What process is done to protect the iron surface from rust?

Galvanizing


Does paint protect iron from ruse?

Yes, paint can protect iron from rust by acting as a barrier between the iron and moisture in the air. However, if the paint gets chipped or scratched, it can expose the iron to oxygen and water, leading to rust formation. Regular maintenance and touch-ups are important to ensure continued protection.


Can graphite rackets rust?

No they will not get rust they are not iron to get rust. only iron get rust.


Why doesn't sprite rust iron?

it probably will over a long time, but it doesnt have much oxygen cause the water is diluted so it wont rust quickly


Why iron does not rust?

Iron does rust by reacting with oxygen.


Can copper pennies rust?

Copper corrodes, things made of iron rust. Copper can corrode, but it takes longer than it does for iron to rust.


What types of metals do not rust?

I think that srtonger metals like gold do not rust. I also think that some metals, when combined with others do not rust, like when you combine iron with aluminum, it doesn't rust. By definition, the only metals that rust are iron and iron alloys. Even so, not all iron alloys rust. Stainless steel (an iron alloy) does not rust. Gold doesn't rust, in that it doesn't combine with oxygen from the atmosphere to form a surface of gold oxide. But it can tarnish, that is, for a thin transparent darker layer to form on the surface. however steel will rust. to protect a metal from rusting you must galvanzie it or paint. for example to galvanzie iron you must use a metal higher in the electrochemical series like zinc. this will protect it from rusting.


How do you protect cast iron chairs from getting rust?

Wax them or coat them with oil to keep moisture away.


Which liquids rust faster?

Liquids do not rust, iron does, rust is Hydrated Iron (III) oxide, so the only substance which can rust iron is water


What does rust and iron form?

Rust is an iron oxide, Fe2O3.


Why does iron not rust when in contact with Mg?

Iron does not rust when in contact with magnesium because magnesium is more reactive than iron. The magnesium will undergo oxidation, sacrificing itself to protect the iron from corrosion. This forms a protective layer on the iron surface, preventing it from coming into contact with oxygen and water, which are needed for rusting.