Question

Which of the following are correct about chemical reactions? A) reactants are the substances that you start with
B) products are the substances you end with
C) mass and energy are conserved during a chemical reaction
D) a chemical reaction involves changes in the bonds that join atoms together

Answer 1

Answer:

A) reactants are the substances that you start with

B) products are the substances you end with

D) a chemical reaction involves changes in the bonds that join atoms together