Chemical change changes the electrons of matter, a physical change does not. Water is water as ice, water and steam, this is a change of state but physically there is no change of water it is a change of the energy content of water.
Melting is a physical change.
No, rusting is oxidation, a form of chemical change.
its a chemical change
Rust (oxidation of metal) is a chemical change but it is also a physical change in the strength of the material.
the difference between a physical change and a chemical change is that a physical change is usually reversible whilst a chemical change is not reversible.
the difference between a physical change and a chemical change is that a physical change is usually reversible whilst a chemical change is not reversible.
the difference between a physical change and a chemical change is that a physical change is usually reversible whilst a chemical change is not reversible.
A physical change is reversible, a chemical change is not.
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yes
a physical change is reversible but a chemical change is irreversible
a physical change is reversible but a chemical change is irreversible