Răspuns:
1.
Baze : KOH ( baza tare ) ,Cu(OH)2 ( baza slaba ) ,Ca(OH)2 (baza tare ) , Zn(OH)2 ( baza insolubila )
2.
2 KOH + So3= K2So4 + H2O
2 KOH + H2SO4 = K2SO4 + 2 H2O
2 K + 2 H20 = 2 KOH + H2
K2O + H2O = 2 KOH
3 KOH + FeCl3 = Fe(OH)3 + 3 KCl
Sper ca te-am ajutat :)
