тоотдX •
3. Укажіть ряд формул основ:
а) Fe(OH), NaOH, Al(OH), Ca(OH).;
6) CaO, CuO, FeO, CrO, BaO;
в) NaNO3, K.CO3, CuSO4, CaCO3;
г) HCI, HSO4, H,PO4, H,SiO,.
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