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Laboratory Preparation of Hydrogen — Chemistry Keypoint

Laboratory Preparation of Hydrogen

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It is prepared by the action of a mineral acid on metals (those higher than hydrogen in the electrochemical series).

e.g.

Zn(s) + 2HCL(aq)    →    ZnCL2(aq) + H2(s)

Industrially, hydrogen is produced by the Bosch process and electrolysis.
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