Which of the following statements BEST defines a chemical reaction?

A. A chemical reaction is defined as a process in which substances undergo physical change.

B. A chemical reaction is defined as a process of two elements combining to form a compound.

C. A chemical reaction is defined as a process in which substances undergo chemical change.

D. A chemical reaction is defined as the process of aqueous substances combining to generate solid products.



Answer :

Final answer:

A chemical reaction is a transformative process where reactants change into products through the rearrangement of atoms. Reactants are consumed during the reaction, leading to the formation of new substances.


Explanation:

A chemical reaction is a process that changes some chemical substances into others. Reactants are the starting materials that react to form products during the reaction. Chemical equations represent these reactions by showing reactants on the left, an arrow indicating the transformation, and products on the right.


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