AnswersHS Physical Science A - CR Summer School 2026Lab: Rate of Chemical Reactions — Unit testQuestion 12
12
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Lab: Rate of Chemical Reactions — Unit test

Question 12 • 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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Which represents an endothermic reaction?