Chemistry, 23.06.2020 10:57 needthehelp78

Zinc (Zn) reacts with hydrochloric acid (HCI) and produces hydrogen gas. This is an example of:
A. A new substance is formed
B. A change in composition at the atomic level.
C. All of these
D. A chemical change.
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Zinc (Zn) reacts with hydrochloric acid (HCI) and produces hydrogen gas. This is an example of: