August 2021 1 7 Report

 

 

Изменение свойств оксидов от кислотных к основным происходит в ряду веществ с формулами:

А. MgO – Al2O3 – SiO2.

Б.  SO3 – MgO – Al2O3.

В.   P2O5 – Li2O – SiO2.

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