（精讲册）二、甘肃化学方程式三阶训练-【练客中考】2024年甘肃中考化学提优方案

练客中考·甘肃化学·参考答案 精讲册 第一部分 甘肃中考考点研究 8天攻克甘肃化学方程式 4.200+c商遇20u+00,↑/3C+2Fe0,4fe+30,1 一、教材化学方程式分类练 类型4 类型1 1.(1)Fe203+3H2S04=Fe2(S0):+3H,0 1.(1)3Fe+20,点槛Fe,0,(2)2Mg+0,点尴2Me0 (2)Fe,0,+6HCl-2FeCL,+3H,0 (3)2Cu+0,△2Cu0(4)4A1+30,一2A1,0, (3)Cu0+H,S0,=CuS0,+H20 (4)Cu0 +2HCI CuCl,H,0 2.(1)2H,+0,点竺2H,0(2)2C+0,点整2C0 (5)A20,+3H2S0,=A4(S0,)3+3H,0 (3)C+0,点猫c0,(4)S+0,点誉s0, (6)A1,03+6HCI-—2A1CL+3H,0 (5)4P+502 点整2P,0, 2.(1)3HC1+A1(0H),—A1CL+3H,0 (2)HCI NaOH NaCl +H,0 3.200+0,点攀2C0, (3)H,S0,+2Na0H=Na,S0,+2H,0 册 4.C0,+H,0=H,C03 (4)2HCI Ca(OH),CaCl,+2H20 5.Ca0+H,0—Ca(0H)2 (5)3HCI Fe(OH);=FeCl,+3H,O 6.C+c0,2c0 (6)2HC1+Ba(0H)2=BaCl2+2H,0 类型2 (7)H,S0,+Ba(0H)2=BaS04↓+2H,0 1.(1)2KMn0.△K,Mn0,+Mn0,+0,t (8)HCI +KOH =KCI +H,0 (9)2HCI+Mg(OH)2 MgCl,+2H,0 (2)2H,02 N02H,0+0,1 3.(1)CaCO,+2HCI CaCl,+CO,+H,0 Mno. (3)2KC10,2KC1+302↑ (2)Na,CO,+2HCI =2NaCl +CO,+H,0 △ (3)AgNO,HCI =AgCI +HNO, 2.2H,0通电2H,↑+0，↑ (4)NaHCO,+HCI=NaCI +CO,+H20 3.H,C03—C02↑+H,0 (5)BaCl,H,SO,=BaS0,+2HCI 4.CaC0,商ca0+c0,1 (6)NH,HCO,HCI NH,CI+H,0 +CO, 4.(1)Na,CO,+Ca(OH):=CaCO,+2NaOH 5.2NalCO,A Na,CO,+CO,1+H,0 (2)CuSO,+2NaOH Na,SO,+Cu(OH)2 6.Ca(HC03)2—CaC03↓+C02↑+H,0 (3)CuCl,+2NaOH =2NaCl Cu(OH)2 7.Cu,(0H),C0,△2Cu0+C0,↑+H,0 (4)FeCl,+3NaOH 3NaCl Fe(OH);! 类型3 (5)2NH,CI Ca(OH),=CaCl,+2NH,1 +2H,0 1.(1 Zn H,SO,ZnS0.+H; (6)Na,CO,+Ba(OH):-BaCO,+2NaOH (2)Zn +2HCl ==ZnCl,H, (7)CuSO,+Ca(OH):=CaSO,+Cu(OH)2 (3)Fe H2SO.FeS0,+H1 (8)MgCl,+Ca(OH)2 =CaCl,+Mg(OH): (4)Fe +2HCI FeCl,+H (9)MgCl,+2NaOH =2NaCI +Mg(OH)2I (5)Mg H,SO,MgS0,+H21 (10)FeCl,+3NaOH-—3NaCl+Fe(OH)3↓ (6)Mg+2HCI—MgCL,+H2↑ 5.(1)Na CO,+CaCl CaCO;+2NaCl (7)2A1+3H,S0,—Al,(S04),+3H2t (2)Na,C0,+BaCl—BaC03↓+2NaCl (8)2AI+6HCI一2AICL,+3H,↑ (3)K,CO;+CaCl,CaCO;+2KCl 2.(1)Fe +CuSo,FeSO,+Cu (4)Na,S0.+BaCl2—BaS04↓+2NaCl (2)Fe CuCl,FeCl Cu (5)NaCl AgNO,=AgCl +NaNO, (3)Zn CuSO,Cu +ZnS0 二、甘肃化学方程式三阶训练 (4)Zn+2AgN0,=Zn(N0,)3+2Ag 一阶根据物质类型或物质制取 (5)2A1+3CS04—AL,(S0,),+3Cu (6)Cu+2AgN03—Cu(N0,)2+2Ag 1.(1)2KMn0,△K,Mn0,+Mn0,+0,↑ 3.Cu0+H,△Cu+H,0/Fe0,+3H,商2Fe+3H,0 MnO: (2)2H,02=2H,0+02↑ 2 练客中考·甘肃化学·参考答案 (3)2KC10, MnO:2KC