Какая реакция протекает в аппарате Киппа при получении водорода?

а) Fe + H2SO4 = FeSO4 +H2

б) Cu + H2SO4 = CuSO4 +H2

в) Zn + H2SO4 = ZnSO4 + H2O + H2S

г) Zn + H2SO4 = ZnSO4 +H2
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