Evidence of a Chemical Change
The four evidences of chemical change
Production of a Gas
When bubbling and fizzing occurs, the substance is producing gas. Prodution of gas is one piece of evidence that a chemical change has occured. The photo to the right➡️ is from about.com. This picture shows a baking soda and vinegar volcano.
Color Change
Another piece of evidence is color change. When two or more substances combined and change color, a new substance is created. This image is from harpercollage.edu
Others include.......
Temperture Change
When two or more substances combined and the temperature changes. Picture from camptrip.com. The picture shows a match on fire.
Precipatate
When two substances mix and form a solid.
This image is from superteachertools.net
That's all!
Hope you learned something about chemical change!