October 2021 1 28 Report
Какие из следующих веществ могут быть: а)только окислителями;б)только восстановителями;в)и окислителями,и восстановителями: CrO3, Mg3P2, Na2CrO4, SO2, KI, KNO3, LiClO4, KH, Fe, H2O2, (NH4)2S?
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