Question

1) Li➡Li2O➡LiOH➡Li2SO4
2) S➡SO3➡H2SO4➡NaSO4
3) Zn➡ZnO➡ZnSO4➡Zn(OH)➡ZnCl2

Answer 1

1) Li->Li2O->LiOH->Li2SO4
4Li+O2=2Li2O
Li2O+H2O=2LiOH
2LIOH+H2SO4=Li2SO4+2H2O

2) S->SO3->H2SO4->Na2SO4
2S+3O2=2SO3
SO3+H2O=H2SO4
2NaOH+H2SO4=Na2SO4+2H2O

3)Zn->ZnO->ZnSO4->Zn(OH)2->ZnCl2
2Zn+O2=2ZnO
ZnO+H2SO4=ZnSO4+H2O
ZnSO4+2NaOH=Na2SO4+Zn(OH)2
Zn(OH)2+2HCl=ZnCl2+2H2O