ПоМОГИТЕ СРОЧНО ОЧЕНЬ ПРОШУ!!!
1)ZnS-H2S-SO2-CaCO3
2)Zn(OH)2-K2ZnO2
3)S-SO2-SO3-H2SO4-AI2(SO4)3
4)S-ZnS-SO2
5)Mg(NO3)2-O2-P2O5-H3PO4-K3PO4-Ag3PO4
6)O2-AI2O3-AICI3
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