chemical change
a physical property
Chemical Change.--its tarnish!
Chemical
Silver platter tarnishing is a chemical change: a reaction with hydrogen sulfide.
It is a chemical change.
It is a chemical change.
chemical change
a physical property
Chemical change
Chemical Change.--its tarnish!
Chemical Change.--its tarnish!
Chemical Change.--its tarnish!
Chemical
no * * * * * A chemical process.
Silver platter tarnishing is a chemical change: a reaction with hydrogen sulfide.
Melting is an example of a physical change because it does not change the chemical composition of the substance undergoing the change. Tarnishing, rusting, and burning are examples of chemical change because they are caused by chemical reactions, which change the chemical composition of the substances undergoing the change.