Chemistry, 12.10.2019 03:50 alinamartinez9p752cj
During an experiment, a student observes the formation of a precipitate. why does this indicate that a chemical reaction is likely occurring?
1)a solid forms, and there is a change of color.
2)a gas forms, and there is a change of color.
3)a solid forms, and light is emitted.
4)a gas forms, and light is emitted.
Answers: 2
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During an experiment, a student observes the formation of a precipitate. why does this indicate that...
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