PRESENTATION OUTLINE
Production of light- when you mix chemicals together it must produce light.
Production of precipitate-when a solid emerges to a liquid.
Production of gas-a chemical mixture must produce gas.
Color change-a chemical reaction must have a change in color.
Change in temp-a chemical reaction must have a change in temperature.
Difference in chemical and physical change.a physical change doesn't change a chemical change is a chemical reaction.
