Из перечисленных веществ выпишите простые и сложные:CaCl2,fe,n2o3,Al,SO2,h2,ZnO,H2So4,CuBr2,N2,NaNO3,KOH,Ag,BaSO4,H3PO5,MgCO3,O,HF,P2O5,Cu,Fe(OH)3,Na2O,H2SiO3

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