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| 1. |
how do we produce hydrogen gas in lab |
| Answer» Laboratory preparation of hydrogen:When granulated zinc is reacted with a dilute hydrochloric acid, hydrogen is obtained. This is the most common procedure of producing hydrogen. We can also prepare hydrogen by reacting zinc with aqueous alkali. The following reaction will make this clear:Zn + 2NaOH → Na2ZnO2 + H2 | |