2019-2020ѧпѧģԾ
һѡ⣨12С⣬ÿС3֣36֣ÿСֻһѡ⣩ 1һ£һ̼ľ̿ͭӦȷ AӦ嶼ж BӦжкɫ CӦͶûӦ
DӦﲻͬ
2ͼʾӦй˵Ĵǣ
A˿Ҫɰֽĥ BҺɫΪɫ CǿAlCu
DӦĻѧʽΪAl+CuSO4=Cu+AlSO4
3ӽ͵ȻҺУȻƹ壬ӱ߽衣ͼб仯ϵȷǣA B
C D
4йҺ˵ȷǣ AҺһɫ Bֻǹ
CҺǾһġȶĻ
DˮУֽ裬ԵõҺ 5ʵͼʾװȡʵȷ
AǰƿעˮòƬŵʢˮˮ BȽܿ뼯ƿٿʼ
CռO2ƿƳˮۣȻϲƬ DֹͣʱϨƾƣƳ
6ҵüҷӦƱȼϱʾͼóĽУȷ( )
AĻѧʽΪCH2
BӦмסҡķӸΪ211 Cסҡ
DCHOԪص1238
7ͬѧڲͬڵУһ˻ѧ仯 A컨ɻ Bʳ Cˮեɹ֭
Dשɱ
8ͼʾʵΪֽ̽ͭ˳нУȷǣ
Aֽǿ˳Ϊͭ B۲쵽Ϊ˿˿ݲ
CʼܷӦĻѧʽΪFe+CuSO4=FeSO4+Cu D۲쵽Ϊ˿˿һϺɫ壬Һɫdz 9漰ѧƹ۵й˵ȷ AۣˮԭӺԭӹɵ
Bתۣһ̼Ͷ̼һ¿ת CݽṹۣԭӺͬѧͬ
Dغۣ10mL40%ᣬ10mLˮΪ20% 10йʵġȡ롰˵Уȷǣ AȡʱװҩƷװõ Bƽ10gҩƷʱȷ룬ҩƷ CõιȡϸƿڵҺʱȽҺڣѹȡҺ
DKMnO4ˮռO2ʵʱϨƾƣƳ 11ͼΪסֹ(ǽᾧˮ)ܽߣ˵( )
A20ʱסҾͬܽ Bסҵܽȶ¶ȵ߶
C20ʱʵΪ25%ļҺ
D50ʱҸ30gֱ100gˮУܽͬʱٽ£Һй 12зӦĻѧʽдǣ AFeϡHCl2Fe+6HCl=2FeCl3+3H2
BCO2ʹʯˮǣCO2+CaOH2=CaCO3+H2O CBaOH2ҺϡH2SO4BaOH2+H2SO4=BaSO4+2H2O DAgNO3ҺϡHClAgNO3+HCl=AgCl+HNO3
⣨4С⣬ÿС7֣28֣
13(1)ͼ1ABCֹʵܽߣáڡСڡڡա
t1ʱAʵܽ_____t2ʱAʵܽȡ
t2ʱBʵıҺʵ_____CʵıҺʵѧǶģͳһġͼ2ӳ˱ҺҺŨҺԼϡҺĹϵ ٴͼ2ԿҺŨҺϡҺĹϵ_____
0.9%ҽˮɹͼ2_____() 14۲ͼش:
ͼ֪HClNaOHķӦʵH+OH-֮ķӦ˷ӦɱʾΪ:H++0H-=H2Oʵʲ뷴ӦʾӦʽӳΪӷʽκθֽⷴӦӷʽʾ [ϰ] дѧʽҪдзӦӷʽ
HClҺAgNO3ҺӦ: HNO3ҺNa2CO3ҺӦ:
[] ֽⷴӦʵ:ӽ ķӦ [Ӧ] жˮҺһܴ aNa+H+Cl-CO32-bH+Ba2+Cl-SO42- cCu2+Na+NO3-OH-dH+K+Cl-SO42-
15(1)ѧѧϰѧҪߡúʵĻѧա ٲԪص___ҺеĽ___
ɻԪ___ܺˮкķ___ͼ1غȻƵܽߣش⡣
50ʱصܽ__غȻƶ___(ܡܡܡܡ) ڡˮɹΡõķ____(ᾧ½ᾧ)
20ʱҪᴿ5g(ȻƺԼΪ80%)ܽʱӦѡ____(10mL25mL50mL)ͲȡҪˮΪʡ
tʱغȻƷֱ뵽ʢ100gˮձУֽͼ2ʾ˵___()