In this example, a strip of zinc placed in a solution of hydrochloric acid (HCl). The bubbles produced are hydrogen gas.
| Zn (s) + 2 HCl (aq) |  |
ZnCl2 (aq) + H2 (g) |
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In this example, a strip of zinc placed in a solution of hydrochloric acid (HCl). The bubbles produced are hydrogen gas.
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