2Fe(OH)3=>Fe2O3 + 3H2O
Zn + 2HCl => ZnCl2 + H2↑
CaO + H2O => Ca(OH)2
Zn + 2HCl => ZnCl2 + H2
2Cr(OH)3 => Cr2O3 + 3H2O
3K2O + P2O5 => 2K3PO4
6Li + N2 => 2Li3N
2AgNO3 => 2Ag + O2↑ + 2NO2↑
2Fe(OH)3=>Fe2O3 + 3H2O
Zn + 2HCl => ZnCl2 + H2↑
CaO + H2O => Ca(OH)2
Zn + 2HCl => ZnCl2 + H2
2Cr(OH)3 => Cr2O3 + 3H2O
3K2O + P2O5 => 2K3PO4
6Li + N2 => 2Li3N
2AgNO3 => 2Ag + O2↑ + 2NO2↑