99БАЛЛОВ.ЗАКОНЧИ УРАВНЕНИЯ РЕАКЦИЙ
A)CaO+?→ Ca(No3)2+?
Б)Fe2O3+?→ Fe2(So4)3+?
В)MgO+?→ MgCl2+?
Г)SO2+KOH→ ?+?
Д)СO2+Ba(Oh)2→ ?+?


E)SiO2+NaOH→ ?+?


Ж)SO3+NaOh→?+?


З)CaO+SiO2→?


И)Na20+SiO2→?


К)CaO+Co2→?
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