Question

Mg+O2->

NaOH+HNO3->

NaOH+N2O5->

LiCl+AgNO3->

Zn+HCl->

Answer 1

Mg+O2=2MgO

NaOH+HNO3=NaNO3+H2O

2NaOH+N2O5=2NaNO3+H2O

LiCl+AgNO3=LiNO3+AgCl

Zn+HCl=ZnCl2+H2

Answer 2

Mg+O2 = 2MgO

NaOH+HNO3=NaNO3 + H2O

NaOH+N2O5 =  2NaNO3 + H2O

LiCl+AgNO3 = LiNO3 + AgCl↓

Zn+HCl = ZnCl2 + H2↑