Which statement correctly describes a chemical reaction?

a. reactants come out of a reaction.
b. energy is always released.
c. bonds between atoms break and new bonds form.
d. products go into a reaction.

Answer;

C. Bonds between atoms break and new bonds form.

Explanation;

-Chemical reactions are usually characterized by a chemical change in which one or more substances called the reactants, are converted to one or more new substances called reactants.

-Chemical reactions involves formation of new substances, they also involve temperature change, heat is released or absorbed, they may also be coupled with color change or production of gases, formation of new bonds and changes in molecular structure among other features.