October 2021 1 48 Report
Группа формул веществ, включающая формулы основания, кислоты, соли и кислотного оксида:
1) CuO, Zn(OH)2, AlCl3, K2S 3) SO2, H2SO4, NaCl, CuO
2) Cu(OH)2, HCl, NaNO3, SO3 4) Zn(OH)2 ,HCl, K2S, Na2O
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