江苏省南京市建邺区2019-2020学年上学期初三化学期中试卷与答案

2019~20201806022B0.51512301ABCD2ABCD3ABCD4ABCD5ABCD6AH2B2HCH2OD2H+7ABCD8A78%B25%C50%D1009ABCD10LPGABCD11.4Ag+2H2S+O2=2X+2H2OXAAgSBSO2CAg2SDSO312C6H12O6A6B180gCCH61D13AMnO2H2O2BCD14t0t1t24(t0)(t1)(t2)ABt1716CD100g20g15ABCNH4HCO3=====NH3+CO2+H2OD214166-1AB2CDD17812B34D219181020191501ABCD231~180A4a=b=-12mgA197??12??B79??12C79??12??D197??125FNa2PO3F144Na2PO3Fg19911YABCXD22ab317851g8g217206A~FABFABCDEE1D2BA;EC3AB21.1111774221O223O21A2BCCD3EFOA2019~202015230123456789101112131415CDABCBABDDCCABB14100gt040212217t120143828t2075439At11438=719BC7g20720gDB15ABNH4HCO3=====H2O+NH3+CO2CDB214166102Cl22-4OCl+22KClO3MnO2=====2KCl+3O2K+Cl-level61112CKClO3DKClKClK+Cl-178123BE2KMnO4=====K2MnO4+MnO2+O24level7103421918101C23421A5CaCO32.1341C2342a=27979b=16A5200g0.14%m(F)=200g0.14%=0.28gNa2PO3FNa2PO3F=19144100%13.19%Na2PO3F0.28g13.19%2.1g1991ABC22:12H2O=====2H2+O234H2O+3Fe=====4H2+Fe3O451ABCD22:134H2O+3Fe=====4H2+Fe3O41g21g29g8g8g217206122H2O2MnO2=====2H2O+O2S+O2=====SO23EEECCFABBABD2111121/54P+5O2=====2P2O5212BC311/512level43EFOA0