$CuO+H_2\buildrel{{t^o}}\over\to Cu+H_2O$
$Fe_2O_3+3H_2\buildrel{{t^o}}\over\to 2Fe+3H_2O$
$K_2O+H_2O\to 2KOH$
- Ống 1: $CaO$
$CaO+CO_2\to CaCO_3$
$CaO+2HCl\to CaCl_2+H_2O$
$CaO+H_2O\to Ca(OH)_2$
$2AgNO_3+Ca(OH)_2\to Ca(NO_3)_2+Ag_2O+H_2O$
- Ống 2: $Cu$
$Cu+2AgNO_3\to Cu(NO_3)_2+2Ag$
- Ống 3: $Al_2O_3$
$Al_2O_3+6HCl\to 2AlCl_3+3H_2O$
- Ống 4: $Fe$
$Fe+2HCl\to FeCl_2+H_2$
- Ống 5: $K_2O$, $KOH$
$K_2O+CO_2\to K_2CO_3$
$2KOH+CO_2\to K_2CO_3+H_2O$
$K_2O+2HCl\to 2KCl+H_2O$
$KOH+HCl\to KCl+H_2O$
$K_2O+H_2O\to 2KOH$
$2AgNO_3+2KOH\to 2KNO_3+Ag_2O+H_2O$
