no. It is not because you can make it back to the way it was. Breaking a crayon would be a PHYSICAL change.
physical change
physical change
physical change
No it is an example of a physical change
Melting crayons is a physical change. When crayons are heated, they change from solid to liquid without altering their chemical composition. Indicators of this physical change include a change in state and temperature, as well as the ability to solidify again upon cooling. However, the crayons retain their original color and chemical properties throughout the process.
It depends on what you are mixing it with.
it is a chemical change
it is a chemical change.
It is a chemical change
Mixing salt and water is a physical change, not a chemical change. The salt does not change its chemical composition when it dissolves in water, only its physical state.
It is a chemical change.
No, mixing Elmer's glue and liquid starch is a physical change. A chemical change involves the formation of new substances with different chemical properties, while mixing these two substances does not result in a chemical reaction.