Chemistry, 28.01.2020 20:58 nyceastcoast

1. which of the following does not indicate that a chemical change may have taken place?
a. fracture formation
b. gas production
c. precipitate formation
d. energy transfer

2. what happens to matter during a chemical reaction?
a. matter is neither destroyed or created.
b. some matter is destroyed
c. some matter is created
d. some matter is destroyed and some is created.

Answers: 1

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