The rusting of metal is a chemical change and not a physical change. This is because iron and water react to form a compound called iron oxide.
it's a physical change.
Physical change
Corrosion is a chemical change
Physical Change, the metal has the same chemical structure and only the shape of the bar has changed
No, it is a chemical change. The metal oxide formed is a new substance.
Physical. The properties of the metal do not change, and it can be undented.
chemical change
Vaporization is a physical change.
Yes. It is a reaction between the metal and oxygen.
It is a physical change because you are changing the shape of the metal.
Of itself a metal can not be "shortened". However, a metal OBJECT such as a piece of metal wire can be shortened by cutting a piece off. This would be a physical change.
Metal rusting (corrosion) is a chemical change.
chemical