2018届中考化学推断题专题复习

1ABCABC2A(1)B______E______F______G______(2)A____________________________3A.BCDEFGHIEFHBD()(1)D(2)FG(3)FE(4)B4ABCDEFDCDE5ABCDEABDECCEDD(1)A______(2)B__________________E____________________C________________________6A~HBDF(1)B(2)(3)GGEE7ABCABCED1AB2A3BpH8ABCBCDEFXG(1)E(2)(3)(4)9MnO2ZnCl2NH4ClC(1)I____________________(2)C____________ABCDC(3)BB______A____________________________________(4)EFENH4Cl___________________________________(5)NH4Cl10(1)_________(2)(1)________________(3)(1)______________________________111__________________________________________________2_____________________________________________________________________31112ABCD3910[FeOH2FeOH3]XABAK2CO3BFeNO32CMgCl2DBaNO3212ABEBE(1)(2)EAB(3)DADA1ABC2(1)BO2EFe3O4FKClO3GH2O2(2)2KMnO4K2MnO4+MnO2+O23Cu(OH)2BaSO43C+2Fe2O34Fe+3CO241CCO2DH2OECa(OH)22CaCO3CaO+CO22NaOH+CO2=Na2CO3+H2OCaO+H2O=Ca(OH)25(1)H2O2(2)2H2O2H2+O22C+O22CO3Fe+2O2Fe3O461CuO2C+2CuO2Cu+CO23CO+Fe2O32Fe+3CO2Fe+CuSO4=Cu+FeSO43COCO7Ca(OH)2NaOH;Na3CO3Na3CO3+Ca(OH)2=CaCO3+2NaOH8.(1)H2SO3(2)S+O2SO2(3)SO3+H2O===H2SO4(4)BaCl2+H2SO4===BaSO4+2HCl9(1)1(2)ABC31111(3)MnO21C+O2CO22(4)1EENH4Cl2(5)110(1)(2)(3)111Ca(OH)2CaCO3CaCO3Ca(OH)22CaCO3Ca(OH)2311AgClCu(OH)2CFeFeAgCu(2)BDBa(NO3)2+Na2SO4=BaSO4+2NaNO3(2)12(1)H2C(2)CH4+2O2CO2+2H2O(3)2H202=2H2O+O2(Fe2O3CuO)