CaCO3+2HCl=CaCl2+H2O+CO2
CH4+2H2O=CO2+4H2
2Na+2H2O=2NaOH+H2
2KClO3(t)=2KCl+3O2
2KMnO4(t)=K2MnO4+MnO2+O2
K3N
Mg3N2
Li3N
---------------------
CuS ⇄ Cu2+<span> + S</span>2-
HCOOH ⇄ HCOO-<span> + H</span>+
Ba(OH)2<span> ⇄ BaOH</span>+<span> + OH</span>-
BaOH-<span> ⇄ Ba</span>2+<span> + OH</span>-
K2SiO3<span> ⇄ K</span>+<span> + KSiO</span>3-
KSiO3-<span> ⇄ K</span>+<span> + SiO</span>32-
CH3COONa ⇄ CH3COO-<span> + Na</span>+
H2SO3<span> ⇄ H</span>+<span> + HSO</span>3-
HSO3-<span> ⇄ H</span>+<span> + SO</span>32-
FeCl3<span> ⇄ FeCl</span>2+<span> + Cl</span>-
FeCl2+<span> ⇄ FeCl</span>2+<span> + Cl</span>-
FeCl2+<span> ⇄ Fe</span>3+<span> + Cl</span>-
HNO3<span> ⇄ H</span>+<span> + NO</span>3<span>-</span>
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