Question

Helpppppppppppppppppppp

Answer 1

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

Chemical change, a example of iron can get old and turn to rust. When it does that it causes rust, and that could combine with Chemical Change.