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The reason that rust is considered a chemical change is because the "connections" or the bonds of atoms are changed in the process. When atoms "rearrange themselves" by changing the "connections" or bonds to allow different compounds to be formed, as is the case with the formation of rust, a chemical change has taken place.

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Bria Cummerata

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2y ago
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10y ago

Iron rust is a chemical change because during rusting, iron reacts with moisture in the air to form it oxides. The brown coloured rust is nothing but oxides of iron in crude form.

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Q: Why iron rust is chemical change?
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