2018年中考化学模拟试卷

14201845050H-1C-12N-14O-16Na-23S-32Cl-35.5Cu-64Zn-65Ag-108(14114)1ABCD2ABCPM2.5D3ABCD45ABCD6ABCD7AN2BCD7:228AM11B.Y7CMNDMNa+9ABCD2410ABCD11.,ABCD.12.At1BCt2130g1070gD13ANaOHNa2CO3BNaOHCDMnO214Fe2O3Al2O3100g9.8,A0.8gB1.6gC1.8gD3.6g61161516CO2CaCO3CaClO2+CO2+H2OCaCO3+2X,X17MgCl2CaCl2Na2SO4BaCl2NaOHNa2CO3Na2CO33418.(1)(2)[Ca(HCO3)2]194.8gCH416.0gO210.8gH2O4.4gCO2XXg20ABCDABCDDBBCDA410212(1)2222,23(3)201715D3085(1)U243abc1aABCD4421025:ADCO2CB(NH3)(NH4Cl)AgNO3Zn(NO3)2Cu(NO3)2YBA410g100109.8g541141-7CACCDAC8-14BBBDBAB116)15.N2SiO216.HClO17.CaCl2BaCl2NaOHNa2CO318.12Ca(HCO3)2=====CaCO3+CO2+H2O(3)19.5.6g3CH4+5O2=====6H2O+CO2+2CO20.(1)CaOCaOH)2(2)CaCO3+2HCl====CaCl2+CO2+H2O1021.1C2H5OH+3O2=====2CO2+3H2O(1(2)//122.1CaOH)2+CO2====CaCO3+H2O1(2)123.13CO+Fe2O3=====2Fe+3CO21)2U(136HCl+Fe2O3====2FeCl3+3H2O(124.(1)CaCl2CaOH)212CaCl22641025.12KMnO4=====K2MnO4+MnO2+O21121CaOH)2+2NH4Cl====CaCl2+2NH3+2H2O1NH3HClNH4Cl134114H210g+100g-109.8g=0.2gxZn+H2SO4====ZnSO4+H21652X0.2g165/2=x/0.2gX=6.5g=10g-6.5g)/10g100=3351