Mg+2Hcl=Mgcl2+H2(箭头向上)
Fe+2Hcl=Fecl2+Fe+H2(箭头向上)
Zn+Hcl=Zncl2+zn+H2(箭头向上)
2Al+3Hcl=2Alcl3+3H2(箭头向上)
Mg+H2So4=MgSo4+H2(箭头向上)
Fe+H2So4=FeSo4+H2(箭头向上)
Zn+H2So4=ZnSo4+H2(箭头向上)
2Al+3H2So4= Al2H2(So4)3+3H2(箭头向上)
Mg+2Hcl=Mgcl2+H2(箭头向上)
Fe+2Hcl=Fecl2+Fe+H2(箭头向上)
Zn+Hcl=Zncl2+zn+H2(箭头向上)
2Al+3Hcl=2Alcl3+3H2(箭头向上)
Mg+H2So4=MgSo4+H2(箭头向上)
Fe+H2So4=FeSo4+H2(箭头向上)
Zn+H2So4=ZnSo4+H2(箭头向上)
2Al+3H2So4= Al2H2(So4)3+3H2(箭头向上)