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  1. SanadN

    Physics, Chemistry and Biology: Post your doubts here!

    but they say it is dissolved in a diluted solution of H2SO4 , which when reacting with zinc oxide, produces both zinc sulfate and water, therefore water is present , and H2 must be discharged.
  2. SanadN

    CHEMISTRY, IMPORTANT !!!

    Hey guys, In extraction of the metal zinc by electrolysis, they say that zinc oxide is dissolved in a diluted solution of sulfuric acid, giving a solution of zinc sulfate. Then they mentioned that this solution is electrolysed and zinc deposits at the cathode. But since the solution contains...
  3. SanadN

    Physics, Chemistry and Biology: Post your doubts here!

    An important chemistry problem !!!! in extraction of zinc , they say it can be done by both ; reduction by carbon or electrolysis. but in electrolysis, hydrogen is less reactive than zinc , so it is the one who is supposed to be discharged, instead, they say that zinc is deposited at the...
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