(中考模拟化学试?0份合?江苏省南京市中考模拟化学试卷合?- 百度文库 ر

(2)ͼ2ʾ΢УȶṹC(ĸͬ)BrѧƵE 19(4)賿Ǻչ˾һ239(154й)Ŀͻڷ;кȻʧ٣ȫĹעҲзɻϻӡ(Ϊշм¼)Ѱص֮һȡϻӡIJ֮һǽѣѾӲȴܶС۵ߡʴԶڲֵܣ渻ʯʯҪɷFeTiO3ش

(1)֪FeTiO3УѵĻϼΪ4ۣĻϼΪ2 (2)ұʱɷΪ

ٽʯתΪTiCl4ڽTiCl4Naڡһ·ӦTi NaCl һ

дзӦĻѧʽTiCl44Na=====Ti_4NaClӦΪûӦ 20(3)Դǵᱸܹעȵ㡣

(1)ԻʯȼΪҪԴĻʯȼúʯ͡Ȼ

(2)ʯȼϵȼգᵼºܶ໷⡣ȥҹΧڳPM2.5ġԪס֮һPM2.5ֱָСڻ2.5΢׵ĿҲƿοΪܲPM2.5ABCD

AУ԰ѻ͵ط BΪУᳫʹ˽ҳ

Cչ Dȼű

(3)ʯȼϵȼջCO2ЧӦҪԭȻCO2Ҫ;ɫֲĹá

21(5)Ź㷺Ӧá

(1)йرÿʴϵƷԼռ20%40%ƷڳʪĿ(ˮͬʱӴ)

(2)дϡĻѧʽFe2O36HCl===2FeCl33H2O

(3)ͬѧͨʵ֤CuFeAgֽĻ˳ʵṩҩƷУCu(NO3)2ҺAgNO3

ҺFe(NO3)2Һϡᡢͭ˿˿˿

.СͬѧƲʵ飺

ٰ˿װϡԹУ ڰͭ˿װϡԹУ۰˿װϡԹУ ܰͭ˿װAgNO3ҺԹС

۲쵽еʵ˿ݣҺ𽥱ΪdzɫΪСʵ()Ƕġ

.СֻѡҩƷе֣ͨʵ飬ҲﵽʵĿġѡõҩƷFeAgCu(NO3)2Һ[Cu_AgNO3ҺFe(NO3)2Һ](дһҩƷϼ)

22(5)֪סҡdzлѧеֳʣǼҡӦ֮һ(Ӧȥ)תϵͼ

(1)£ΪɫĩΪɫĩĻѧʽH2(CO)ҷӦĻѧʽΪ2Fe2O3_

_3C=====4Fe__3CO2

(2)ΪΣ¼Ϊ壬ҷӦĻѧʽΪCO2__Ca(OH)2===CaCO3_H2O_[Ba(OH)2CO2===BaCO3H2O__]

ʵ̽(2С⣬14) 23(6)װûشй⣺

(1)дбƣ׶ƿˮۡ

(2)װȡ̼AзӦĻѧʽΪCaCO3__2HCl_===_CaCl2__CO2__H2OҪȡռһƿĶ̼壬װýӿڵ˳abcg(ýӿĸ˳)̼Ƿķȼŵľڼƿڡ

24(8)һʵУʦһϡ뵽ʢҺСձУδѧϰдո

⡿ӦҺеʲô

롿һΪӦҺһеһX ͬѧIJ£

һֻXXHClXNaOHģXHClNaOH

XĻѧʽNaClͬѧΪDzģƻᷢӦܹ(HClNaOH===NaClH2O)

ʵ̽(1)СͬѧȡձеҺԹУμӼCuSO4ҺԱ仯˵

(2)СͬѧȡձеҺԹУμӼη̪ҺԱ仯ΪһͬѧΪСͬѧжϲѧǷ̪ҺԺҺɫ()

(3)СͬѧȡձеҺԹУμӼ̼Һ۲쵽ݲɴ˶϶ʵ鷢ӦĻѧʽNa2CO32HCl===2NaClH2OCO2

ʵչ(1)(3)ͬԼһַ֤

ʵȡձеҺԹУþ(ZnFe)ݲ() ġ(2С⣬8)

25(3)ĿǰгϳľǴΪԭϵġǡ޸ľǴĻѧʽC5H12O5ں΢΢Сش

(1)ľǴл(޻л)

(2)ľǴԷ152ԪصΪ7.9%(ȷ0.1%)

26(5)8.0 gȫˮγҺмһͭҺǡȫӦûΪ109.8 g

㣺(1)Ӧ (2)ӦҺ

⣺跴ӦΪxӦNa2SO4Ϊy 2NaOHCuSO4===Cu(OH)2Na2SO4 80 98 142 80 g x y 8098142

8.0 gxyx9.8 g y14.2 g ӦҺΪ

14.2 g

100%14.2%

109.8 g9.8 g

(1)ӦΪ9.8 g(2)ӦҺΪ14.2%

пѧģԾ

һѡ⣨⹲15С⣬ÿСֻһѡ⣬ÿС2֣30֣

1Դ⡢ΪȫǹעĽ֮һȫܶص

ǵͽصӰ졣й˵( ) AȾָָPM2.5΢ Bֹ˽ҳУij˹г

Cٻʯȼϵʹãܶؿ̫ܡܡȵ

DϾɵزⶪӦͳһռдԼȾͬʱԻսԴ 2зѧ仯( )

Aʯͽз

Búˮɹ

DҴȼ

Cиʯ

3.ڴǣ A ҽþƾ B ˮ C ¿ D ӵʳ 4.еԪصĻϼߵǣ A N2 B NO C NO2 D N2O 5΢۵ϵǻѧе˼άʽжں΢۽У ǣ

Aˮֱֽͨ⣬Ϊˮӱƻγµķ B㲻˵˷ڲ˶

C20mLˮ 20mLƾϺС40mLΪˮӵ Dһ̼Ͷ̼вͬĻѧʣΪǵķӲͬ 6˵վкȼ˻ӵײ£ԭӺ˷ԭӼһЩӺߣͬʱͷŴ⶯ֻ硣ԪԪڱʾϢͼʾ±ȷ( ) Aͼ2ͼ3Ԫ Bͼ3ʾӵĻѧSr CԭӵΪ38

Dԭӵԭ87.62g

7õ豸Ļ֣жϵԴʱװҺ̬Ȼ̼ġ𵯡 ʱҺ̬Ȼ̼

ѸתΪ̬ڻϡݴƲȻ̼ܾе A Bȼ Cܶȱȿ D

ѣ믡Щӽṹʾͼ