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PA-Physical Science A
Cumulative Exam — Cumulative exam
Question 24
24
RC
Multiple Choice
Cumulative Exam — Cumulative exam
Question 24 • PA-Physical Science A
Ciara’s bike has rusted, which means that the iron in the metal changed to rust.
Answer
A
an energy formation
B
an exothermic reaction
C
a chemical reaction
D
a precipitate formation
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