1、 1 ( ) (1) (2) (3) 1. 2. 3. 4. 5. 6. 1 2 3 4 5 6 1 ( ) ) 630 _ _ (2) _ Fe2O3 3H2SO4=Fe2(SO4)3 3H2O (1) Fe2O3 3H2SO4=Fe2(SO4)3 3H2O (2) ( ) 1. 2 2. 2 ( ) (1)t1 _g _( (2)t2 _ t2 t1 _( t1 16 g t2 25 g 25 g 25 g 100 g 20% t2 t1 t2 t1 t1 (1)16 (2)20% 3 ( ) ( ) A B C D CaO Ca(OH)2 CaO H2O Ca(OH)2 Ca(OH)2
2、( ) Ca(OH)2 B 1 2 Cl SO 2 4 CO 2 3 3 pH 4 5 3 ( ) ( ) 4 ( ) _ _( ) Fe 2HCl=FeCl2 H2 A B C Fe 2HCl=FeCl2 H2 AC 5 ( ) (1) pH pH 2 (2) Ba(NO3)2 (3) AgNO3 A (4) NaOH B _ B _ _ pH7 Ba(NO3)2 SO 2 4 AgNO3 A A AgCl Cl Fe 3 FeCl3 NaOH OH Fe 3 Fe(OH)3 Fe(OH)3 FeCl3 1 (1) Fe2O3 (2) (3) A B. a. b. c. C 2 4 K Ca
3、 Na Mg Al Zn Fe Sn Pb (H) Cu Hg Ag Pt Au (1) 4 (2) (3) 3 4 (1) ( ) 100 g ( ) ( ) ( ) (2) 5 (1) (2) (3) (4) 6 (1) (2) 2HCl Fe=FeCl2 H2 (3) 3H2SO4 Fe2O3=Fe2(SO4)3 3H2O (4) H2SO4 BaCl2=2HCl BaSO4 (5) 2HCl Cu(OH)2=CuCl2 2H2O 7. (1) (2) 2NaOH CO2=Na2CO3 H2O (3) Ba(OH)2 2HCl=BaCl2 2H2O (4) Ca(OH)2 Na2CO3=
4、CaCO3 2NaOH Ca(OH)2 ( Na2CO3) NaOH Na2CO3 ( NaOH KOH) Cu(OH)2 Fe(OH)3 8 5 9 (1) (2) (NH4)2SO4 NH4NO3 NH4Cl NH4HCO3 NH3 2O CO(NH2)2 K2SO4 KCl NH4H2PO4 KNO3 KH2PO4 1 ( ) A B C D 2 ( ) ( ) A B C D 3 ( ) A B C 100 g12% 6% 100 g D 100 g16% 100 g8% 200 g 4 ( ) ( ) A t2 100 g 100 g 200 g B t1 C D t2 t1 5 (
5、 ) ( ) A B C D 6 0.5 g 20% ( ) A 1.5 mL B 2 mL C 3 mL D 4 mL 7 ( ) X Y Z ( ) X Y Z CO2 Ca(OH)2 H2O H2 Cl2 CuO Ba(NO3)2 Na2CO3 6 Fe2O3 CO C 8 ( ) ( ) A B C D 9 ( ) ( ) ( ) A CuO(Fe) B NaCl(Na2CO3) C Fe(Cu) D CO2(CO) 10 ( ) A C 11 ( ) ( ) A B C D 12 ( ) A B C D 13 ( ) ( ) (1) _ (2) _ 14 ( ) (1) _ _ (2) (1) AgNO3 _ 15 ( )A F B C C D E F D E E ( ) (1)E _ C _ 7 (2) 16 ( ) (1)
