in which foem zinc metal is used to prepare hydrogen
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Granulated zinc reacts with most acids to release Hydrogen gas. Granulated zinc gives more surface area for the acid to act, so hydrogen is formed faster. Also, granulated zinc has copper as an impurity, which catalyses the reaction.
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heyy mate...
Hydrogen is prepared in the lab by the action of acids on metal's dilute. Sulphuric acid is added to granulated zinc. Zinc sulphate or zinc chloride is formed in solution and the hydrogen that is evolved is collected over water in a trough.
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