2
QuizMultiple Choice

Catalysts

Question 2 • PA Human Anatomy & Physiology A 2026-2027 SMITH IC

Which statement correctly describes a chemical reaction?

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

Explanation

In a chemical reaction, atoms are rearranged as bonds break and new bonds form, creating different substances. So “Bonds between atoms break and reform” is correct. Energy may be released or absorbed, so it is not always released.

AI-written and checked against the verified answer.

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