Why rusting of iron is considered as a chemical change
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A change in which one or more new substances are formed is known as chemical change. For Example, when the iron is exposed to air and moisture, rust formation takes place. Rust is nothing but Iron Oxide; a new substance formed out of the reaction. ... Hence, rusting of iron is a chemical change.
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Answer: Yes it is a chemical change because rust occurs due to the chemical reaction of metal which is in contact with the moisturized air . Rust can degrade the metal slowly and erode it completely. This process is called chemiscal change because the eroded iron can't again turn into a new iron.
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