Mg+2HCl==MgCl2+H2↑
2Al+6HCl==2AlCl3+3H2↑
Zn+2HCl==ZnCl+H2↑
Fe+2HCl=FeCl2+H2↑
Mg+H2SO4==MgSO4+H2↑
2Al+3H2SO4==Al2(SO4)3+3H2↑
Zn+H2SO4==ZnSO4+H2↑
Fe+H2SO4=FeSO4+H2↑
Mg+2HCl==MgCl2+H2↑
2Al+6HCl==2AlCl3+3H2↑
Zn+2HCl==ZnCl+H2↑
Fe+2HCl=FeCl2+H2↑
Mg+H2SO4==MgSO4+H2↑
2Al+3H2SO4==Al2(SO4)3+3H2↑
Zn+H2SO4==ZnSO4+H2↑
Fe+H2SO4=FeSO4+H2↑