Chemistry, 14.05.2021 16:10 jetblackcap
Amal performs an experiment where he mixes hydrochloric acid and zinc metal together. He writes a chemical equation that he thinks models his experiment.
2HCl(aq)+Zn(s)→ZnCl2(aq)+H2(g)
Which evidence statement from the model suggests that a chemical reaction took place?
A
A gas was formed.
B
The color changed.
C
Heat was absorbed.
D
A precipitate formed.
Answers: 2
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Amal performs an experiment where he mixes hydrochloric acid and zinc metal together. He writes a ch...
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