term1 Definition1term2 Definition2term3 Definition3
Please sign in to your Google account to access your documents:
cooking an egg
A physical change does not produce a new substance. Changes in state or phase (melting, freezing, vaporization, condensation, sublimation) are physical changes.
rusting of an iron pan
melting an ice cube
mixing hydrochloric acid and sodium hydroxide to make salt and water.
breaking a bottle.
Chemical changes take place on the molecular level. A chemical change produces anew substance. Another way to think of it is that a chemical change accompanies a chemical reaction
combustion (burning),
Need help typing ? See our FAQ (opens in new window)
Please sign in to create this set. We'll bring you back here when you are done.
Discard Changes Sign in
Please sign in to add to folders.
Sign in
Don't have an account? Sign Up »
You have created 2 folders. Please upgrade to Cram Premium to create hundreds of folders!