2KOH+H2S->K2S+2H20
MgO+2HCl->MgCl2+H20
2NaOH+CO2->Na2CO3+H2O
2KOH+SO2->K2SO4+H2O
MgCl2+Na2CO3->MgCO3+2NaCl
Al(OH)3+3HCl->AlCl3+3H2O
2KOH+H2S->K2S+2H20
MgO+2HCl->MgCl2+H20
2NaOH+CO2->Na2CO3+H2O
2KOH+SO2->K2SO4+H2O
MgCl2+Na2CO3->MgCO3+2NaCl
Al(OH)3+3HCl->AlCl3+3H2O