ПОМОГИИИИИТЕ! Распределить вещества в 4 столбика:оксиды,основания,кислоты, соли:
CuO,HCl,Al2(SO4)3,HNO2,P2O5,AL(OH)3,K2SO4,JN(OH)2,H2CO3,CL2O7,LI2O
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