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1、, , 1 2 3,1 2 , 档, +, ,Mg+2HClMgCl2+H2,Zn+2HClZnCl2+H2,Fe+2HClFeCl2+H2,Mg+H2SO4MgSO4+H2,Zn+H2SO4ZnSO4+H2,Fe+H2SO4FeSO4+H2,H,K Ca Na Mg Al Zn Fe Sn Pb (H) Cu Hg Ag Pt Au,+,+,NaOH + HCl = NaCl +H2O, ,2NaOH + H2SO4=Na2SO4 + 2H2O,Fe2O3+6HCl2FeCl3+3H2O,+,CaCO3+2HCl=CaCl2+ CO2 +H2O,CO2 ,H2SO4 +BaCl2=2HCl+
2、BaSO4,Cu(OH)2 Fe(OH) 3 BaSO4 AgCl Mg(OH)2BaCO3 CaCO3, , , ,HCl,Cu,CO2,NaCl,Fe,Cu,NaOH,1,2,3,4,Cu,CO2,Fe2O3,H2SO4,H2SO4,CO2,NaCl,H2SO4,Cu,NaCl,H2SO4,NaCl,CO2,CaCO3,5, 壬 _ 档 壬_, + + +, ,CO2+Ca(OH)2CaCO3+H2O,CuSO4+2NaOH=Cu(OH)2+Na2SO4,Ca(OH)2+2HCl=CaCl2 + 2H2O, , ,NaOH,Cu,HCl,CO2,NaCl,NaOH,Fe2O3,CuSO4,NaOH,NaCl,Cu,Cu,NaCl,Fe2O3,Cu,NaCl,Fe2O3,1,2,3,4,HCl H+Cl-,H2SO42H+SO42-,NaOH Na+OH-,Ca(OH)2Ca2+2OH-, ,OH,H+,壺 + = + ,H+ + OH- = H2O,仯 ,1 磺 2 3,Al(OH)3 + 3HClAlCl3 + 3H2O, 塣 , + + + +, + + +,塢,1( ) A B C D,2PH2.93.3 A. B. C. D. ,C,B,3( ) A. B. C. D. 4( ) A. B. C. D.,C,D,
