Question

why rustion of iron is a chemical change?​

Answer 1

Answer:

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.

Answer 2

Answer:

This is a chemical property. If iron does rust, this is a slow chemical change since rust is an iron oxide with different properties than iron metal.

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