1 1991? D

2R+2O2CO2+2H2OR A B C D B

3C12 ACCl4HCl BCCl4H2 CCH2Cl DCHClA

43 000 .H2CO3CH4CaCO3CO2

5C4H8N4S2O4 5240

6

7CO2

8NH4ClCa(OH)2 CaCl 2H2ONH30.77l g/Ll.293 g/Ll700 , NH4ClCa(OH)2

NH3 2NH4Cl+Ca(OH) 2 CaCl2+2H2O+2NH3 BC

9 A B C D D

10 A B C D 11CaOCO2KClO3 A B C D

CD

121991In49115 A 115 B 49 C 66 D 16413 A Al B N2 C Cl D H

CA

14. ( ) A B C D

15.PH3O2 A B. C. D.BC

16.( ) A B C DD

172 1 . FC2H8N2 199311341146 2H2ONa+8C1134H1146

18ClO2ClO2 ClO2 ClO2 +467.5

19. ABC DABACDDABCDA________B________C________D________

20. (1)? (2) (3) ?

2161911

22 A1/5 B C D23 A B C D

CA

24 A B C DB

25 A B C DC

262KNO3+3C+S==K2S+N2+3XX ACO BCO2 CSO2 DN2B

272Mg+O2===2MgOMgO2MgO A24:32:40 B48:32:80 C24:32:64 D24:32:80B

28FeSO41.12( )3.806.95 C10 3.04

29 D

301

31200312H2SH2SH2S1H2SH2SH2SH2SSO2H2O H2S 23342H2S+3O2 2SO2+ 2H2O

32 A B CD EFG ,F.D.G.A.B.E.C,C+O2 CO2

3311A BC

4P+5O2 2 P2O51/51/5,

344 2H2O2 2H2O+O2H2O2 H2O2H2O2 5% 10%

H2O215%10%5%3%

35 A B C D A

36( )C

37CCTV2005522( ) A B C DC

38( ) A2H BH C2H2 D2H2O39 ACO2 BO2 CH2O DNaCl40 A BC DCDB

41VCD(Te)VCD ( )A B. H2Te-2C.H2Te+2 D.H2TeO4+6B.D

42 A B C D A

43 A B C D 44 A B C DBD

45 A B C D B

47R+2O2CO2+2H2OR A BC D46 ( ) AK Bar CHg DAlBB

51.( ) A B C D50.( ) ACa0 BO2 CH DAu DD

52( ) A B C DD

53. ( ) A B C D B

54. A11B11C11D11 B

55.abab ( )A B C DA

56.2 3 2 aMg2+ bH2O c2CO dCaO e2H+ . 2NP2O53NO3Cu2+cead+2b

57.H2O2(1)________ ________________(2)

58C6H8O7.(1) (2) (3) _.