why does a piece of iron get rusted if left exposed in the open?

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why does a piece of iron get rusted if left exposed in the open?

sarala

Category: General Reference 14 years ago

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The overall chemical equation for the formation of rust is

Iron + water + oxygen = rust

4 Fe(s) + 6 H2O(l) + 3 O2(g) = 4 Fe(OH)3(s)

Iron(III) hydroxide, Fe(OH)3 then dehydrates to produce Fe2O3.nH2O(s) or rust

Answered 12 years ago

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Arun Selvan

rambabu · Answer 1 · 2016-05-25 13:11:39

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The Oxygen in the air reacts with iron that leads to rusting.

Answered 9 years ago

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rambabu

Sanjeev Gupta · Answer 2 · 2013-01-14 13:09:02

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Oxidation is the main reason it gets rusted when it comes in contact with oxygen and moisture present in the atmosphere.

Answered 12 years ago

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Sanjeev Gupta

Bol Bachchan · Answer 3 · 2014-01-07 16:48:34

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Iron got rusted because it is exposed to water and oxygen. When iron, water and oxygen combine, it will rust.

Answered 11 years ago

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Bol Bachchan

Aakash Agarwal · Answer 4 · 2013-06-15 11:35:12

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damp air

Answered 11 years ago

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Aakash Agarwal

PREM LATA · Answer 5 · 2013-02-11 17:17:06

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Due to dampness in the air .When iron and water drops in air react it get rust.

Answered 12 years ago

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PREM LATA

anil · Answer 6 · 2013-08-04 07:27:05

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Not in open but at every place of moisture iron piece will get rusted.

Answered 11 years ago

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anil

sreevani · Answer 7 · 2013-07-04 10:23:07

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Iron reacts to the dampness in the air which form rust on the parts

Answered 11 years ago

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sreevani

Sasikanth · Answer 8 · 2013-01-31 08:27:04

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As it exposes to oxygen in the air and creates oxidation which is the cause for rust.

Answered 12 years ago

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Sasikanth

ajay · Answer 9 · 2011-03-21 18:19:52

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See Sarala the reason behind this is that the oxygen of the air reacts with the iron forming a compound called iron oxide. That's why we paint iron to prevent it from rusting or coming in contact with oxygen of the air. Hope this answer helps you.

Answered 14 years ago

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ajay

arjun sai · Answer 10 · 2012-10-31 02:23:43

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rust is iron oxide which is formed when iron is exposed to moisture and air

Answered 12 years ago

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arjun sai

suni51 · Answer 11 · 2013-01-13 07:53:50

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Oxidation is main reason of rusting. The moisture present in atmosphere cause the rusting in this case.

Answered 12 years ago

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suni51

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why does a piece of iron get rusted if left exposed in the open?

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