2NaOH + H2SO4=>Na2SO4+2H2O
Cu (OH)2+H2SO4=>CuSO4+2H2O
2KOH+CuSO4=>Cu (OH)2+K2SO4
2NaOH+CO2=>Na2CO3+H2O
2Cu (OH)2=>Cu2+2H2O
Al (OH)3+3HCl=>AlCl3+3H2O
Al2 (SO4)3+6KOH=>2Al (OH)3+3K2SO4
Объяснение: