Answers HS Physical Science A - CR Summer School 2026 Lab: Rate of Chemical Reactions — Unit testQuestion 3

3

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Lab: Rate of Chemical Reactions — Unit test

Question 3 • HS Physical Science A - CR Summer School 2026

Which represents an endothermic reaction?

Answer

A

wood burning in a fire

B

splitting a gas molecule

C

using a heat pack on an injury

D

TNT exploding

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