Identify the correct variant . 1) Fe2O- is the basic oxide 2) FeO - is the basic oxide 3) Fe3O4- is the amphoteric oxide 4) Fe(OH)2, soluble in water 5) Fe (OH)3 - brown sediment 6) Fe(OH)3 - amphoteric base

Natalii2017 Natalii2017    3   12.12.2021 09:04    0

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