1234
Fe2(SO4)3(aq) + KOH(aq) --> K2SO4(aq) + Fe(OH)3(s)
1234
Fe2O3(s) + C(s) --> CO(g) + Fe(s)
1234
Na(s) + H2O(l) --> H2(g) + NaOH(aq)
1234
Al2(CO3)3(s) + HCl(aq) --> H2O(l) + CO2(g) + AlCl3(aq)
1.
Precipitation
2.
Neutralization
3.
Oxidation-Reduction
4.
Combustion