AnswersEA ACADEMY PHYSICAL SCIENCE SPRINGUnit Test

Introduction to Chemical Reactions Answers

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1
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Which indicator of a chemical reaction is shown in the picture?

A
the formation of a gas
B
the formation of a precipitate
C
a change in energy
2
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✔ exothermicendothermicneither

A
✔ exothermic
B
endothermic
C
neither
3

✔ exothermicendothermicneither

A
✔ exothermic
B
endothermic
C
neither
4

exothermicendothermic✔ neither

A
exothermic
B
endothermic
C
✔ neither

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