Определите класс вещества по его формуле
оксид основание кислота соль
1.MgSO4
2.CuO
3.NaALO2
4.SO3
5.Zn(OH)2
6.H3PO2
7.HI
8.KCLO3
9.AL(OH)3
10.HNO2
12.LiOH
13.Ca3(PO4)2
14.K2O
15.Be(Oll)2
16.H2S
17.H2siO3
18.FeCL3
19.CO
20.Ga(OH)3
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