Răspuns:
Explicație:
Na OH hidroxid de natriu soda caustica
KOH " " " potasiu potasa caustica
Ca(OH)2 " " " calciu var stins
Al(OH)3 " " " aluminiu hidrargilit
CuOH " ' cupros
Cu(OH)2 " " cupric
Pb(OH)2 ' ' plumbos
NH4OH " " de amoniu apa amoniacala
2NaOH + CuSO4=Na2SO4 + Cu(OH)2
2NaOH + FeSO4= Na2SO4 + Fe(OH)2
3NaOH + FeCl3= 3NaCl + Fe(OH)3
2NaOH + CoSO4=Co(OH)2 + Na2SO4
2NaOH + ZnSO4= Na2SO4 + Zn(OH)2