Question

Al Cl₂ + Zn =
Cu Soy +Al=
Pb(NO3)2+ Fe >
Cu + Hg Uz

Answer 1

2AlCl3 + 3Zn => 3ZnCl2 + 2Al

3CuSO4 + 2Al => Al2(SO4)3 + 3Cu

Pb(NO3)2 + Fe => Fe(NO3)2 + Pb

Cu + HgCl2 => CuCl2 + Hg