Question

Substance combines with oxygen to form rust or to tarnish an object?

Answer 1

Answer:

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

Explanation:

iron+water+oygen=. hydrated iron oxide ,(rust)

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