no
physical change
physical change
first physical, second chemical
Rust (oxidation of metal) is a chemical change but it is also a physical change in the strength of the material.
Rust (oxidation of metal) is a chemical change but it is also a physical change in the strength of the material.
Rusting is a chemical change, as steel/iron turns into iron oxide.
It's not the rusty bike it's the rusting of the bike. rust forms in a process called oxidation, or when iron comes in contact with oxygen. Also one reason you can tell it's a chemical change is when you can't reverse the process. Or when it involves changing the chemical compound.
Chemical - It's the iron atoms reacting with the oxygen atoms in the air. For future reference, a chemical change is irreversible, whereas a physical change can be reversed, usually quite easily.
Metal rusting (corrosion) is a chemical change.
rusting is not a physical changeit is a chemical change
Rusting is a chemical change.
A nail rusting is a chemical change.