1.安徽中考常见化学方程式梳理-【练客】2024年安徽中考真题大练考 化学

{#{QQABBQaEogAAABBAAQgCUwEwCkMQkAGCAAoGhBAEMAIAQQNABAA=}#} {#{QQABBQaEogAAABBAAQgCUwEwCkMQkAGCAAoGhBAEMAIAQQNABAA=}#} 真题大练考·安徽化学 1.安徽中考常见化学方程式梳理 (3)Cu0+H,S0,-—CuS04+H,0 (4)Cu0 +2HCI CuCl,+H20 -、1.(1)3Fe+202 点燃Fe,0. (5)A,0,+3H,S0,AL2(S0,)3+3H,0 (2)2Mg+0.点尴2Mg0 (6)AL,0,+6HC1=2A1Cl,+3H,0 (3)20u+0,△20u0 (7)Ca0 +2HCI =CaCl,H,0 (4)4A1+30,=2AL,0 (8)Mg0 +2HCI =MgCl,+H,0 2.(1)3HCI Al(OH)AlCl,+3H,0 2.（1)2H,+0,点题2H,0 (2)HCI NaOH NaCl +H,O (22C+0,直整2C0 (3)H,S0,+2Na0HNa,S0,+2H,0 （3)C+0,点整c0, (4)2HCI Ca(OH):=CaCl +2H,0 (5)H,S0.+Ca(0H)2CaS04+2H,0 (45+0,点整s0, (6)3HCI +Fe(OH),FeCl,+3H,O （5)4P+50,点尴2P0, (7)2HCI Ba(OH)=BaCl +2H,0 (8)H,S0,+Ba(0H)2-—BaS04↓+2H,0 3.2C0+0.点尴20， (9)HCI+KOH=KCI+H,O 4.C02+H,0-=H,C0 (10)2HCI Mg(OH):MgCl,+2H,0 5.Ca0+H,0-Ca(0H)2 3.(1)CaCO,+2HCI =CaCl,+CO+H,0 6.C+C0,温200 (2)Na,CO,+2HCI =2NaCl+CO,+H,0 (3)Na,C03+HS0.-Na,S0,+H,0+C0↑ =L.(1)2KMn0,△K,Mn0,+Mn0,+0,t (4)AgNO,+HCI—AgC↓+HNO, (22H,0a02H0+0,1 (5)NaHCO,+HC—NaCl+CO2↑+H,0 (6)BaCl,+H,SO,=BaS0,+2HCI MnO (3)2KCI0, =2KCl+302↑ (7)NH,HCO,HCI NH,CI +H20+CO, 4.(1)NaCO,+Ca(OH),CaCO,+2NaOH 2.2H0电2H↑+0,1 (2)Cus0,+2Na0H-—Na,S04+Cu(0H):↓ 3.H,C03-—C02↑+H,0 (3)CuCl,+2NaOH =2NaCl Cu(OH)2 4.cac0,商量ca0+c0,t (4)FeCl,+3NaOH Fe(OH);+3NaCl (5)2NH,CI +Ca(OH)2 CaCl,+2NH,1 +2H,0 5.2NaHC0,△Na,C0,+C0,↑+H,0 (6)Na,C0,+Ba(OH)2—BaC03↓+2NaOH 三、1.(1)Zn+H,S0,=ZnS04+H2↑ (7)CuSO,+Ca(OH)=Ca0,+Cu(OH)2 (2)Zn+2HCl—ZnCL,+H2↑ (8)MgCl,+Ga(OH)2—CaCl2+Mg(OH)2↓ (3)Fe H,SO,=FeSO,+H21 (9)MgCl2 +2NaOH =2NaCl +Mg(OH)2 (4)Fe +2HCI FeCl,+H2 (10)NH,Hc0,+2a0H△a,C0,+NH,↑+ (5)Mg+H,S0—MgS04+H21↑ 2H,0 (6)Mg +2HCI=MgCl,+H (11)2FcCL,+3Ca(0H)2-—2e(0H),↓+3CaCL (7)2A1+3H2S0,—AL2(S0.)5+3H2↑ 5.(1)Na,CO,+CaCl,CaCO,+2NaCl (8)2Al+6HC1=2A1Cl,+3H21 (2)Na CO,BaCl,BaCO,+2NaCl 2.(1)Fe +CuSO,FeSO +Cu (3)K,CO,+CaCl,CaCO,+2KCI (2)Cu +2AgNO,Cu(NO,)+2Ag (4)CuS0,+BaCl2-—BaS0,↓+CuCl2 (3)2A1+3CuS0,=AL(S0,)3+3Cu (5)NaCl AgNO,AgCI+NaNO, (4)A1+3AgN0,—A1(NO3)3+3Ag (6)Na,s0,+BaCl2一BaS0.↓+2NaCl (5)Fe CuCl;==FeCl,Cu 五、1.(1)C0:+Ca(0H)2=CaC0,↓+H0 (6)Zn +CuSO,Cu +ZnSO. (2)C0,+2Na0H=NaC0,+H20 3.Cu0+H,