20
QuizMultiple Choice

Lab: Rate of Chemical Reactions — Unit test

Question 20 • HS Physical Science A - CR Summer School 2026

Which best explains why a firework being ignited is an example of an exothermic reaction and not an endothermic reaction?

Answer
A
The fireworks produce colors.
B
The fireworks give off heat.
C
Igniting the fireworks requires energy.
D
Igniting the fireworks makes an odor.
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