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Physical Science
Pretest
Question 1
1
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Pretest
Question 1 • Physical Science
Which statement best describes the difference between endothermic and exothermic reactions?
Answer
A
They are opposites because endothermic reactions release energy and exothermic reactions require energy.
B
They the same because they are both ways of forming gasses.
C
They the same because they are both ways of forming precipitates.
D
They are opposites because endothermic reactions require energy and exothermic reactions release energy.
Question 1
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