November 2021 1 12 Report
Выпишите формулы оксидов , оснований , кислот и солей : H2So4, MgCl2, Can(OH)2, CuSo4, H2O, HCl, Fe2O3, NaOH, Al2(So4)3 , Fe(No3)2, H2Co3, MgO, H2S, Fe (OH)3, ZnCl2, KNO2, NiO , P2O5, KMnO4.
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