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OXIZI

OXIZI. U tilizări ale oxizilor :. materii prime:  Al2O3 (bauxita), FeO, Fe2O3; materiale de construcţii: CaO, SiO2; obţinerea acizilor: CO2, SO2, SO3, NO2, P2O3, P2O5; obţinerea unor baze: CaO (pt. var stins, Ca(OH)2); catalizatori: V2O5, MnO2, Al2O3;

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OXIZI

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  1. OXIZI

  2. Utilizări ale oxizilor: • materii prime:  Al2O3 (bauxita), FeO, Fe2O3; • materiale de construcţii: CaO, SiO2; • obţinerea acizilor: CO2, SO2, SO3, NO2, P2O3, P2O5; • obţinerea unor baze: CaO (pt. var stins, Ca(OH)2); • catalizatori: V2O5, MnO2, Al2O3; • pigmenţi şi coloranţi: Pb3O4(miniu de plumb), Fe2O3, Cr2O3(verde), ZnO (alb de zinc). • alimentaţie: CO2 (prepararea sucurilor şi a sifonului) • Pietre semipreţioase

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