Question

why formation of ferric oxide is a chemical change​

Answer 1

Explanation:

Rusting of iron is a chemical change give reason

Rust is clearly a substance that is different from iron. Rusting is an example of a chemical change. A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust.

Answer 2

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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.