19. On the reaction of dilute hydrochloric acid with zinc. Hydrogen gas is free, but this reaction is not copper (copper), why? .
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Hii its tom85
Zn is highly reactive metal found above in activity series but in case
Cu it is less reactive so it is found below hydrogen in reactivity series .
when high reactive matal react with
acid it produce hydrogen .
Zn + HCL (dill) --------> ZnCl(salt) + H2
copper form oxide while extreme heating and found free in nature .
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hope it may helps you dude
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