1.Укажите тип химической реакции, расставьте коэффициенты:

1) gOg + O2 2) Сu (OH)2 + HClH2O + CuCl2
3) Al + O2  Al2O3 4) KBr + Cl2  KCl + Br2
5) Zn + HCl  ZnCl2 + H2 6) Ca + O2  CaO
7) СuCl2 + NaOH  Cu(OH)2 + NaCl 8) H2O  H2 + O2



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