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Why doesn't rust protect iron?

Updated: 9/26/2023
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7y ago

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

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7y ago
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Q: Why doesn't rust protect iron?
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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


Why do you need to protect iron from rusting?

Otherwise the iron will rust and eventually disintegrate and become unusable


Is pewter waterproof?

No it will not rust as it doesnt have iron in it, but it may corrode and turn black over time


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.


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


How does rust affect magnets?

Magnetism is the "lining up" of atoms. Iron atoms line up easily and tend to stay lined up. Rust is iron plus oxygen plus space: since there is less iron in a given volume of rust than in the same volume of solid iron, there are fewer iron atoms present to be polarized.


What is formed when iron combines with oxygen in the air?

Iron reacting with oxygen produces rust, Fe2O3 (Iron (III) oxide) or FeO2 (Iron (II) oxide) depending on the composition of the iron.


Why iron does not rust?

Iron does rust by reacting with oxygen.


Why does Ashoka pillar not rust?

Ashoka pillar has a layer of crystalline iron hydrogen phosphate which 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.