Butter is the physical state of being a solid, like a brick.
Rusting is a physical change where the metal atoms of iron on the metal object combine with the atoms of another element, oxygen. This creates a new molecule, rust, or oxygenated iron.
Melting of butter is a physical change because it involves a change in state from solid to liquid without altering the chemical composition of the butter. Rusting of an almirah is a chemical change because it involves a reaction between iron in the almirah and oxygen in the air to form a new substance, iron oxide, which has different properties than the original iron material.
A nail rusting is a chemical change.
Rusting is a chemical change.
Rusting is the oxidation of a metal and is an example of a chemical change.
it is a chemical change
it is a chemical change
no it is a chemical change
Rusting is a chemical change.
physical change
Metal rusting (corrosion) is a chemical change.
chemical
rusting is not a physical changeit is a chemical change