Respuesta :

Safsafsofia
Answer:

Reactants are on the left side of the arrow
products are on the right side of the arrow
The substance that is produced by a chemical reaction is called the product. 
You know a chemical reaction has occurred when the state changes

I hope this helps
trebeaner
It can cause lung cancer. I contains thousands of chemicals. You get bad breath from it. It makes it harder to work out or do normal things.