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why Rusting of iron is a chemical change ??

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Answered by Anonymous

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$<body bgcolor=fushchia><maruee direction="right"><font color=yellow>$ Rusting of iron is a chemical change because

1.the process is not easily reversible,that is a rusted iron can't be recovered into the original one.

2.Energy is usually used up during rusting process

3.A new compound is formed, during rusting,iron combines with the moist air (oxygen) to form Iron (III)Oxide which is a new compound

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