10
lesson pretestMultiple Choice

Pretest

Question 10 • CMS 2026-2027 Biology CREDIT RECOVERY

Which statement correctly describes a chemical reaction?

Answer
A
Bonds between atoms break and reform.
B
Energy is always released.
C
Products go into a reaction.
D
Reactants come out of a reaction.

Explanation

During a chemical reaction, bonds in the reactants break and atoms form new bonds to make products. Reactants go into a reaction and products come out; energy may be released or absorbed, so it is not always released.

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