Identify the correctly written chemical reaction.
A. Reactant + Product → Reactant + Product
B. Product + Product → Reactant + Reactant
C. Reactant + Reactant = Product
O
D. Reactant + Reactant → Product + Product
eek um A.The substance(s) to the left of the arrow in a chemical equation are called reactants. The substance(s) to the right of the arrow is called products.