Question

vreau 5 ex.de reactii combinare metale plus oxigen

Answer 1

4Al +$O _{2}$=2$Al _{2}O _{3}$-Oxid de aluminiu
2Fe+$O _{2}$=2FeO(II)-Oxid feros (II)
4Fe+3$O _{2}$=$Fe _{2}O _{3}$(III)-Oxid feric(III)
2Mg+$O_{2}$=2MgO-Oxid me magneziu
2Ti+$O _{2}$=2TiO(II)-Oxid de titan(II)