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发表于 2019-9-13 23:46:11 | 显示全部楼层 |阅读模式
???2016????????(??)

??????60??

???????????? H - 1C - 12N - 14O - 16S - 32

??????????12??????2???24????????????????

24.??4?22???47???????????????????????????? ??????????? ???

A.????????

B.???????????

C.??????????????

D.????????????????????

25.????????????????

A.???? B.????C.????D.????

26.????????????

A.????O B.?????2N +1 C.????NaD.?????????K2MnO4

27.???????????????? ???

A.????????????

B.??????????????

C.????????????????

D.????????????????

28.?????????????????????????????????????? ????????????????

A.x???8 B.???????? C.?????????87.62g D.??????????????

29.????????????

??

pH??

A.????pH B.?????? C.????? D.?????

30.????????

A.?????????????????

B.??????????????????

C.????????????????O?Al?Si

D. V1mL??V2mL?????V3mL???V1+V2=V3

31.????????????????????????????

A. Zn???????????

B. Ag??????????????

C.?Al?Mg?Fe??????????Al

D.????????????????????

32.??[CO(NH2)2]???????????????????????????????????

A.???????? B.60g????????????28g

C.????????D.???????????????1?1

33.????????????????????

34.??????????????????? ????????

A. a1????????????a2????????

B.??????????????

C.????????????????????

D.????????????a2???a1?????

????????????

35.??????????????????????????? ??????????????????????????

??????????????????????????

?????????????????????

A. Ag B. BaCl2C. NaOH D. CuO

???????????4????36??

36.?6?????????????

?1??????????????????????????????????

??????

????????????????

??????????????????????????????????????? ??

???

A.??? B.?? C.?? D.???

?2????????????????

??????????????

A.???? B.???? C.????

????????????????? ? ?

A.????B.????? C.???????

????????????????????????????????? ???????????

37.?10??????????????????????

?1????????????????

???????????????

A.??B.?? C.???? D.??

??????????????????????????

????????????????????????????????????? ???????????????????????????????????? ? ?

A.??????? B.????????? C.????

?2??????????????????????KClO3?MnO2????????? ????????????????????????????MnO2??????

A BC D

??A???????????????B????????????C???????????? ? ??D??????? ???????

?3?????????????????????????????

??????????

A.????????????????????????

B.?32gS?32gO2????????64gSO2

C.?????a A + b B = c C + d D?????a + b = c + d

??????R??????????????????CO2?H2O?????? ?x = R???????????1?3??R??? ??????

38.?10???????????????????

?1??????????????? ? ? ???

A.????????????

B.??????????????????

C.?????????

?2???[KAl(SO4)m?12H2O]????????????????????????????????m?

?3?????????????Cl2??????????????????????

+ +

A B C D

??D?????HClO?????????? ?C????????????????????C???????????

???????????????????????????????????

?Cl?

???????????????

?4??????????????C6H10O5??????CO2?H2O??????O2??????????BOD????mg?L-1????????????

???C6H10O5+6O

6CO2+5H2O???20??1L???????????C6H10O5?

????10.8mg??????BOD??????????????

? ??

39.?10????Mg??CO2?????C???????????????????? ??????CO2??Mg?CO2?????????????????

a

?????

?? ???

??NaHCO3 ?H2SO4 ?HCl

C D A B

???????????????????????????????A??????????B?C?????????????????8?10cm?????????????????????????????CO2?????????????????????????????????????????????

????????NaHCO3??????HCl????CO2?

?MgO?Mg(OH)2?MgCO3???????

?1???a???? ? ?

?2???B???????????? ? ???C???? ? ?

?3???D????????CO2???? ? ?

?4??????????????????????

???????????MgO

???????????Mg(OH)2

???????????MgCO3

????????????????? ? ???????????? ? ? ???

?????D????????????????????????????????????????D????????????

???2016????????????

???2016????????????


?2016?????????????????
?????http://www.850500.com/news/60114.html
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