chemical change
A phase change.
Physical change
geoligist
physical change
chemical change
Both !
An awful change.
Chemical change.
A mixture is a solution of a compound or the liquid state of a compound. When you make a solution of a salt, the salt will solute in the solvent, and go to the ionic state. Example, NaCl in water: NaCl(s) -> Na+(aq) + Cl-(aq)
evaporation.
This kind of reaction is called "decomposition".
a change of stateIce melting is a physical change