Answers NC-Physical Science Fall 1st 9 Weeks Introduction to Chemical ReactionsQuestion 1

1

AssignmentMultiple Choice

Introduction to Chemical Reactions

Question 1 • NC-Physical Science (Fall) [1st 9 Weeks]

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

Answer

A

the formation of a gas

B

the formation of a precipitate

C

a change in energy

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