Zinc granules are used in lab preparation of hydrogen. Give reason
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11
Explanation:
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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4
Answer:
Zn react with acid to produce hydrogen gas . so zinc granules are used in lab .
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