人教版九年级下册化学第10单元测试卷(附答案)

11pHApH6.67.1BpH7.357.45CpH6.87.4DpH0.81.52ABCD3H+ABCD4ABCD3%5%5ABCD6pHpH3~43.5~4.56.3~6.66.8~8.0ABCD7ABCD8AKNO3NaOHHClBCa(OH)2HClNaClCH2SO4Na2CO3Ba(OH)2DHNO3KOHCuSO49ACO2COBSO2HClCKClKClO3DNaClNaHCO310ABCD1211C6H8O7ABCD12{}AH2SO4NaOHHClBaCl2Na2SO4H2SO4/g/gBCD13XYUXYABCDXH2OH2OH2OYNaClNH4NO3Na2CO314ApH=3BCD15g20508030g010020xAx30g73ABCD/g/g0MgO0/g/gMg/s0/g/g0pHB14CD161CuSO4Hg2___________________________________________________________________________________________________________________________________17pHpH=10pH=7pH=318ABABpH1AB2191XX220123421CO212CO2NaOHABCO2NaOHABBCO2NaOH22A~GAGBCDEF1GEFB2CD23125g10NaOH1NaOH25gNaOH7.3PH=750gNaClNaOH24CaCO3CaONa2CO31220g10g5.85%X200gXg10g22011012345678910DABCADCDDB2101112131415ACABCDD1441617173NaOHNaClNaClHClNaCl18412CpH1921Fe2O3CuO2Na2CO32HCl==NaClH2OCO220834Ca(OH)2+CO2=CaCO3+H2OCaCO3+2HCl=CaCl2+H2O+CO22161CO2+2NaOH=Na2CO3+H2O2CO2CO22241H223CO+Fe2O32Fe+3CO26231mNaOH=125g10=12.5g22NaOHHCl=NaClH2O4036.558.5mNaOH50g7.3mNaClmNaOH=4gmNaCl=5.85g2NaOH=4g120g100=3.3210241CaCO31Na2CO3132211.72CaCO3CaONa2CO32CaCO3CaO2