Answer :
The reactants in a chemical reaction are the atoms prior to the chemical reaction, found on the left side of the equation (option D).
What are reactants in a chemical reaction?
A chemical reaction is a reaction typically involving the breaking or making of interatomic bonds, in which one or more substances are changed into others.
In a chemical reaction, the atoms of substances called reactants are converted into substances called products.
Reactants are any of the participants present at the start of a chemical reaction. Reactants are present at the left hand side of a chemical reaction.
Therefore, reactants in a chemical reaction are the atoms prior to the chemical reaction, found on the left side of the equation.
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