It is a chemical change because it leaves a residue (which is a sign of chemical change)
Hope that helps
Chemical change
Chemical change
Chemical change
a chemical change
No, it is not possible for copper to be transformed into silver through any known chemical or physical process.
a physical property
Chemical change
Chemical Change.--its tarnish!
Chemical Change.--its tarnish!
Chemical Change.--its tarnish!
Drawing it into a wire is a physical change of silver.
no * * * * * A chemical process.