Answers EA ACADEMY PHYSICAL SCIENCE SPRING Unit Test — Cumulative examQuestion 5

5

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Unit Test — Cumulative exam

Question 5 • EA ACADEMY PHYSICAL SCIENCE SPRING

Which best describes a chemical reaction?

Answer

A

the rearrangement of atoms by breaking and reforming chemical bonds

B

a reaction that absorbs heat from the surroundings

C

a reaction that releases heat to the surroundings

D

the rearrangement of molecules based on temperature and pressure

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