Вариант I
1. Na + Cl2 --- NaCl
2. FeCl2 + Cl2 --- FeCl3
3. Cu + O2 --- CuO
4. Fe(OH)3 --- Fe2O3 + H2O
5. Al + CuBr2 --- AlBr3 + Cu
6. Ca(OH)2 + Na3PO4 --- Ca3(PO4)2 + NaOH
7. K2O + H2O --- KOH
8. NO2 --- NO + O2
9. B2H6 + O2 --- B2O3 + H2О
10. C5H10 + O2 --- CO2 + H2O