СиО + Н2 = Си + Н20
Zn + S = ZnS
Zn + 2HCl = ZnCl2 + Н2
4Au + O2 = 2Au2O
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СиО + Н2 = Си + Н20
Zn + S = ZnS
Zn + 2HCl = ZnCl2 + Н2
4Au + O2 = 2Au2O