6
lesson pretestMultiple Choice

Pretest

Question 6 • Physical Science

Two chemicals react in an endothermic reaction. What can be known about this reaction?

Answer
A
Heat is absorbed because the old substance needs more energy to break its bonds.
B
A precipitate will form as a result of the reaction.
C
Heat is released because the old substance needs less energy to break its bonds.
D
A gas will form as a result of the reaction.
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