FeS+HCl= CuSO4+KOH= Pb(NO3)2+NaCl=

Question

FeS+HCl=
CuSO4+KOH=
Pb(NO3)2+NaCl=

Answer 1

FeS+2HCl=FeCl2+H2S
CuSO4+2KOH=K2SO4+Cu(OH)2↓
Pb(NO3)2+2NaCl=2NaNO3+PbCl2↓