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www.reference.com/science/happens-iron-reacts-oxygen-aa6cd...

Iron rusts when it comes in contact with oxygen and water. It rusts faster in acid rain and salty water. Both oxygen and water are necessary for rusting, which is an oxidation reaction. When iron reacts with oxygen and water, it forms hydrated iron oxide; this is what people see as rust.

www.answers.com/Q/What_happens_to_iron_when_it_reacts_with...

Iron Reacts with Oxygen Iron metal reacts in moist air by oxidation to give a hydrated iron oxide. This does not protect the iron surface to further reaction since it flakes off, exposing more ...

www.quora.com/How-does-iron-react-with-oxygen

Iron, when exposed to moisture or water, reacts with the oxygen in it to form Ferric Oxides. 4Fe + 3O2 = 2Fe2O3. This causes the iron to be oxidized to form Iron oxide.

www.answers.com/Q/What_happens_when_iron_reacts_with...

When iron reacts with oxygen and water, the chemical reaction thatforms is known as rust. This is considered to be corrosive for mostmetal elements.

www.webelements.com/iron/chemistry.html

On heating with oxygen, O 2, the result is formation of the iron oxides Fe 2 O 3 and Fe 3 O 4. 4Fe(s) + 3O 2 (g) → 2Fe 2 O 3 (s) 3Fe(s) + 2O 2 (g) → Fe 3 O 4 (s) Reaction of iron with water. Air-free water has little effect upon iron metal. However, iron metal reacts in moist air by oxidation to give a hydrated iron oxide.

www.gcsescience.com/r2-metal-reaction-with-oxygen.htm

Iron reacts slowly at room temperature but quickly if it is heated. iron + oxygen iron(III) oxide - see rusting. 4Fe (s) + 3O 2(g) 2Fe 2 O 3 (s) Metals below iron react with oxygen when they are heated in air.

brainly.in/question/4064754

Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances. _hope it helped you_

en.wikipedia.org/wiki/Rust

Rust is another name for iron oxide, which occurs when iron or an alloy that contains iron, like steel, is exposed to oxygen and moisture for a long period of time. Over time, the oxygen combines with the metal at an atomic level, forming a new compound called an oxide and weakening the bonds of the metal itself.

chemdemos.uoregon.edu/demos/Iron-and-Oxygen

Iron combusts in oxygen to form various iron oxides, mainly iron(III) oxide: 4 Fe (s) + 3 O 2 (g) ==> 2 Fe 2 O 3 (s) Iron in its usual bulk solid form will only burn when in pure oxygen with when a great deal of heat is supplied.This is what a cutting torch does. As we can see in this demo, however, when iron is subdivided finely it burns readily enough in air.

uk.answers.yahoo.com/question/index?qid=20071010111930AApnjdK

Hi Josh Well, that depends on the metal and indeed, not all metals react with oxygen. But for the ones that do, you get an Oxide formed. Some metals are so reactive they form oxides with oxygen at room temperature, some examples are iron, aluminmium, magnesium, sodium, calcium etc.