​Какие из указанных оксидов реагируют с кислотами?
а) MnO, K2​​O, SO2​ ​б) P2​​O5​,​ FeO, SO3​ ​в) CaO, Na2​​O, Fe2​​O3​ ​г) CrO3​,​ Ag2​​O, CO2
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