2Na + 2H2O → 2NaOH + H2;
CH4 + 2O2 → CO2 + 2H2O;
2KClO3 → 2KCl + 3O2;
3Zn + 2H3PO4 → Zn3(PO4)2 + 3H2.
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2Na + 2H2O → 2NaOH + H2;
CH4 + 2O2 → CO2 + 2H2O;
2KClO3 → 2KCl + 3O2;
3Zn + 2H3PO4 → Zn3(PO4)2 + 3H2.