Which of these accurately describes the products of a reaction?
A) substances that are used in a reaction
B) new substances that are present at the end of a reaction
C) substances that do not participate in a reaction
D) substances that were not used up in a reaction
A) substances that are used in a reaction
B) new substances that are present at the end of a reaction
C) substances that do not participate in a reaction
D) substances that were not used up in a reaction