The rusting of a metal chair is a chemical change. The iron is undergoing oxidation as it combines with oxygen to form iron oxide.
it is a chemical change
Rusting is a chemical reaction.
It is a chemical reaction.
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Chemical
Chemical change
Physical 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.
chemical change
It is a physical change because only its shape changed, not its chemical composition.
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