Question

FeSO4 + NaOH=
FeCl3 + NaOH=
MnSO4+ NaOH=
CrCl3+ NaOH=

Answer 1

FeSO4 + 2NaOH --> Na2SO4 + Fe(OH)2↓

FeCl3 + 3NaOH --> 3NaCl + Fe(OH)3↓

MnSO4 + 2NaOH --> Na2SO4 + Mn(OH)2↓

CrCl3 + 3NaOH --> 3NaCl + Cr(OH)3↓