Odpowiedź:
1. 2SO + O2 → 2SO2
2. 2Cr2O3 + 3C → 4Cr + 3CO2
3. 4Fe + 3O2 → 2Fe2O3
4. 2Na + 2H2O → 2NaOH + H2
5. 4NH3 + 5O2 → 4NO + 6H2O
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Odpowiedź:
1. 2SO + O2 → 2SO2
2. 2Cr2O3 + 3C → 4Cr + 3CO2
3. 4Fe + 3O2 → 2Fe2O3
4. 2Na + 2H2O → 2NaOH + H2
5. 4NH3 + 5O2 → 4NO + 6H2O