А: H3PO4, H2SO4, H2SO3, H2SiO3, H2S, H2CO3.
Б: Mg(OH)2, Zn(OH)2, NaOH, Fe(OH)3, Cu(OH)2, NH4OH.
В: KNO3, NaSiO3, Al2(SO4)3, K2S, CaCO3, AlCl3.
Г: SO3, PO3, CO2, K2O, N2O3, Cu2O.
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Answers & Comments
А: H3PO4, H2SO4, H2SO3, H2SiO3, H2S, H2CO3.
Б: Mg(OH)2, Zn(OH)2, NaOH, Fe(OH)3, Cu(OH)2, NH4OH.
В: KNO3, NaSiO3, Al2(SO4)3, K2S, CaCO3, AlCl3.
Г: SO3, PO3, CO2, K2O, N2O3, Cu2O.