Question

Дописать уровнение Mg(OH)2
Mg+O2
FeO+O2
ZnSo3
Al2O3+Zn
Fe2O3+Al
Ni+Hbr
Cu+HCl

Answer 1

$1)2Mg+O _{2} =2MgO \ 2)4FeO+O _{2} =2Fe _{2} O _{3} \ 3)Al _{2} O_{3} +3Zn=3ZnO+2Al \ 4)Fe _{2} O _{3} +2Al=Al _{2} O _{3} +2Fe \ 5)Ni+2HBr=Ni Br _{2} +H _{2} \ 6)Cu+HCl neq$