Răspuns:
2MgO
NH4OH
ZnSO4+H2
4Al + 3O2 ---> 2Al2O3
NaH+HCl ---> NaCl + H2
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Răspuns:
2MgO
NH4OH
ZnSO4+H2
4Al + 3O2 ---> 2Al2O3
NaH+HCl ---> NaCl + H2