Answer:
2 C + O2 = 2 CO
2 H2O2 = 2 H2O + O2
CH4 + Cl2 = CH3Cl + HCl
Zn(OH)2 + 2 HCl = ZnCl2 + 2 H2O
2 K + 2 H2O = 2 KOH + H2
CH4 + 2 O2 = CO2 + 2 H2O
2 SO2 + O2 = 2 SO3
2 NO + O2 = 2 NO2
C + O2 = CO2
C + H2O = CO + H2
