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If an iron nail is exposed to air for a long time it reacts with the water vapour (moisture) and oxygen present in the atmosphere and a reddish-brown powdery coating is formed on it known as RUST (Fe2O3.xH2O) .
Wiki User
∙ 14y ago
Wiki User
∙ 15y agooxides of iron are formed :- Fe2O3, FeO, Fe3O4
Wiki User
∙ 13y agoThe iron ball will expands and the iron ball will be hot .
Wiki User
∙ 13y agowhat happens when iron is exposed to air~ becomes rust
Wiki User
∙ 6y agoRust (iron oxide) is formed.
Anonymous
it will rust
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What happen when iron nails exposed to vinegars in 2 days?
rust
Why isn't iron used to make coins?
It easily becomes rusty.
What happen when urine is exposed to air?
A process of fermentation occur.
What happens to minerals containing iron when they are exposed to the air?
The iron may form a new mineral that is like rust.
What happens when lime water is exposed to oxygen?
If it's exposed to pure oxygen then nothing will happen. If it's exposed to air then the carbon dioxide in air will make it go cloudy. Lime water is the test for the presence of carbon dioxide.
What happens to iron when it is exposed to moist air?
Iron is oxidized and rusting appear.
What is the compound formed when iron is exposed to moised air?
Iron oxide (ferric oxide)
What happen when iron nails exposed to vinegars in 2 days?
rust
What will happen if a piece of bread is exposed to air?
nothing
Why isn't iron used to make coins?
It easily becomes rusty.
Why do some fruits change colour when exposed to air?
When fruit flesh is exposed to air, it experiences oxidation, much like iron does. This reaction doesn't result in the rust that iron's reaction does, but it is responsible for the brown coloring that this exposed fruit flesh takes on.
What happen when urine is exposed to air?
A process of fermentation occur.
What happens to galvanised iron which is exposed to air and water?
It is more resistant to corrosion.
how quickly does iron rust when exposed to air?
Dear Sir/Madam, Thanks
What happens to minerals containing iron when they are exposed to the air?
The iron may form a new mineral that is like rust.
Why are some rocks orange?
If a rock has iron in it, the iron can rust when exposed to air and moisture. That will look brown or dark orange.
What happen when iron nails exposed to vinegars after one day?
know just go to hell
