Is rusting of iron combustible Iron rusts when it come

Is rusting of iron combustible  Iron rusts when it come
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Is rusting of iron combustible?

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Right Answer is:

SOLUTION

Iron rusts when it comes in contact with water or oxygen.
 

Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust. This is the word equation for the reaction:

iron + water + oxygen    →    hydrated iron(III) oxide