ʱ : 九年级化学期中考试试卷及答?- 百度文库ϿʼĶ
....................................................................................................................................................................................................................................................................................... 2019-2020ȵһѧ ϿѧУп 꼶 ѧԾ
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A Búȼ Cˮ Dˮ
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AʯӲ̻ Bʯī硪缫 CCOȼȼ DCO2ˮ 4.лѧ˵ȷǣ
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6SnO2Һԭ缫ԪΪ-2ۣ˵ȷǣ A BԪصĻϼΪ+4 C Dе 7йʵȷǣ
A̼ȼգ⣬ųɺɫ
Bþȼգ⣬ųɰɫþ Cȼգųɰɫ
D˿ȼգȼգ䣬ųɺɫ 8ʵóĽȷǣ
ʵ A B C D ij岻ʹľȼ ijʿԵ ijԪԭӵΪ6 ijȫȼգֻCO2H2O һ һǽ ԭӺҲһΪ6 һCHOԪ 9ͼβжתΪʾͼ˵ǣ AӦǰԭӵࡢĿޱ仯 B˷ӦзӦﶼǻ C÷ӦǻϷӦ
DμӷӦַӵĸΪ11
10ij˾зһɼ״ΪԭϵֻأΪ﮵ص10ʹһ²ųһε磬طӦԭΪ2CH3OH + 3X + 4NaOH =2Na2CO3 + 6H2O XĻѧʽΪ AO2 BCO CCO2 DH2 (70)
11.5֣ûѧգ
14 2к 32ˮ 4ؿкĽԪ 5ԪصĻϼ
124֣ͼѡʵдӦĿո
1ҩƷͨ 2þȼʱгþ 3ȡһҺ 4ṩԴ
13.7֣ͼеĢ١ǷԪءԪԪڱеϢABCDӵĽṹʾͼ
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(1)ԪصԭΪ ԪصԭΪ (2)X=
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(4)AӵĻѧBCDһӵĻѧ ţ 14.10֣ĿǰũˮҪǵˮȾӲȴĵˮ彡ˮũϽˮ
1ijˮӲˮˮõ______________ 2Ϊ˽ˮӲȣҪũǰҪ___________
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AʹûũҩBҵˮŷ Cʹúϴ·Dˮֱŷ 15.8֣Ҫдʽ
(1)ʵ (2)̽ˮԪɣ (3)̼ʹʯˮǣ
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4ʵ˫ˮͶ̷Ӧʵ ܡܡѡCװƷӦֹͣ
1710֣ijоСѧϰĻѧʱ֣˿ȼûл棬ȼȴĻ档Сͬѧ̽
1д˿ȼյĻѧʽ 2̽һȼղԭʲô
ȼһ棬ʣһ ܿڵȼҲлͼʾɴ˿֪ȼղĻ ̬̬ȼγɵġ 3̽ȼղĸԭʲô ϡ
ʯ ۵u 5070 1535 97.8 еu 300550 2750 883 ȼʱ¶Ȩu Լ600 Լ1800 Լ1400 ϱ֪ȼܷ ۵㡱е㡱ȼʱ¶йءɴƲ⣺ȼʱ СûС
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1淋ԷΪ 2иԪΪ 3еԪΪ
196֣ҴһԴȼտɷ·Ӧ 2C2H5OH+5O2 ȼ 2 CO2+ 2CO+6 H2Oһ̼Ⱦ9.2gҴڿвȼһ̼