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By Name the electro-uga hydrogen is liberatedIn the laboratory preparation of hydrogen from zinc & dilute hydrochloric acid - state a reason fora) Addition of traces of copper (II) sulphate to the reaction medium b] Collecting thehydrogen by downward displacement of water and not air & collecting it after all the air inthe apparatus is allowed to escape. c. Having the end of the thistle funnel dip below thelevel of the acid in the flask.5. In the industrial method of preparation of hydrogen by the Bosch process – give a] Balancedyn main steps in the production of hydrogen b] The reason for useof the solution which |
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Answer» Hydrogen gas is prepared in the laboratory by REACTING dilute HCl with granulated zinc. FOLLOWING REACTION TAKES place: Zn+2HCl→ZnCl2+H2. |
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