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Explain Laboratory Preparation of Dihydrogen. |
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Answer» Solution :It is usually prepared by the REACTION of granulated zinc with dilute hydrochloric ACID. `Zn+2H^(+) to Zn^(2+) + H_2` It can also be prepared by the reaction of zinc with AQUEOUS alkali. `Zn+2NaOH to underset"SODIUM zincate"(Na_2ZnO_2+H_2)` |
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