1/ \(Fe2O3+3CO-^{t0}\rightarrow2Fe+3CO2\)
2/ \(3AgNO3+Al\rightarrow Al\left(NO3\right)3+3Ag\)
3/ \(2HCl+CaCO3\rightarrow CaCl2+H2O+CO2\uparrow\)
4/ \(2C4H10+13O2-^{t0}\rightarrow8CO2+10H2O\)
5/ 6NaOH + Fe2(SO4)3 \(\rightarrow\) 2Fe(OH)3 + 3Na2SO4
6/ 4FeS2 + 11O2 -t0\(\rightarrow\) 2Fe2O3 + 8SO2 \(\uparrow\)
7/ \(8Al+3Fe3O4\rightarrow4Al2O3+8Fe\)