宁夏2020年高考化学模拟试题及答案(一).pdf

120201006076421.NAA.1.8g(CD3)NAB.11.2L(C3H6)3NAC.0.4molHNO30.2NAD.1LpH=9CH3COONa1109NA2.A.MgAlB.FeFeC.SiO2SiO2D.SO2SO23ANH4ClNH4ClBNH4ClCNH4ClC(NH4+)C(Cl-)DNH4Cl4.A.aNH3B.C.bD.c25.XYZMYMXMZMYA.XYZMNOPSB.XYZC.ZD.Z6.CH4CH4VLA.0V33.6LCH410OH-8e==CO327H2OB.O2+4H++4e==2H2OC.V=67.2LCH42O2NaOH==NaHCO32H2OD.Na+7ANa2CO3CO2NaHCO3BSO2CNa+K+DNaHCO3NaAlO2AlO2-HCO3-34583438.(14)(NaNO2)NaNO2(ANOKMnO4NO3)(1)a___________(2)A___________________(3)C___________()AP2O5BCaCl2CD(4)E___________________(5)B?_______(6)2NO2+2I+4H+=2NO+I2+2H2O2S2O32+I2=2I+S4O62NaNO21.00gNaNO20.800mol1KI0.500mol1Na2S2O33Na2S2O320.02mL19.98mL20.25mL____________NaNO2_____()9.(14)iH2O2(aq)+2I(aq)+2H+(aq)I2(aq)+2H2O(l)H1=-247.5kJ/moliiI2(aq)+2S2O32-(aq)2I(aq)+S4O62-(aq)H2=-1021.6kJ/mol1H2O2S2O32-______________420.01mol/LaH2O2________________b_________________3c(H+)H2O0.01mol/LabH2O2/mL5_________________________H2SO4/mL42Na2S2O3/mL8________________________KI/mL3_________________________H2O0_________________________t1t2babt1_____t22________________at1H2O2S2O32-H2O2________mol/(Ls)10.15(2MgO2O3)(2MgOSiO2)Al2O3FeO(H3BO3)pH(0.1mol/L)5Fe(OH)3Al(OH)3Fe(OH)2Mg(OH)21.93.47.09.13.24.79.011.1(1)__________(2)2MgOSiO2+2H2SO4=2MgSO4+SiO2+2H2O2MgO2O3+2H2SO4+H2O=2H3BO3+2MgSO4H2SO4______H3BO3Al2O3FeO_______________________NaOHH3BO3+OH-=B(OH)4-_____aH3BO3+H2OB(OH)4-+H+bcNaHCO3(3)______Fe2+(4)MgOpH__________(5).MgSO4H3BO3.__________()615211(15)1______________ABCD2________3BH3B2H62H6B________NH3BH3________________4H3BO3NaBH43BO3________ABCABC________________________________aH3BO37bcH3BO38ed1molH3BO33mol5BPzB________apm________gcm3aNA12(15)IRRRR...1F_________________2A_____________________83a_____________________4I_____________________5BCB_____________________6E_____________________7ABB______976421.C2.B3.D4.A5.D6.B7.A4588.(1)(2)(3)C(4)3MnO4-+4H++5NO=3Mn2++5NO3-+2H2O(5)BNO2NO(6)69.0%9.(1)H2O2(aq)+2S2O32-(aq)+2H+(aq)=S4O62-(aq)+2H2O(l)H=-1269.1kJ/mol(2)a(3)5832I2S2O32-S2O32-I2mol/(L?s)10.(1)(2)Al2O3+6H+=2Al3++3H2OFeO+2H+=Fe2++H2Oab(3)K3[Fe(CN)6](4)4.7Al(OH)3Fe(OH)3(5)11.(1)AD(2)(3)sp3NC2H6(4)OH10928'bd(5)12.(1)(2)(3)10(4)(5)(6)(7)