2021年江苏省南通市崇川区中考化学模拟试卷

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0bò᪆ÒḄDAg,beò᪆ÒḄDCu,ᡠ:Êrj¹ḄÝqp!úᨵAgNC)3ஹCU(NO),óCÊ·Ìrj¹ḄÝÿAg,32ᦑB┯C.0bḄFe+2AgNO3=Fe(NO3)2+2Ag,bា"#$ᡠ&bḄ'(CU(NC)3)2ஹFe(NO),ᦑC*+32D.ObḄFe+2AgNO=Fe(NO)+2Ag,beFe+332Cu(NO3)2=Fe+Cu(NO3)2=Fe(NC)3)2+Cu,cា"#$ᡠ&cḄ'(Fe(NO),ᦑD*+32ᦑ⌱0B«23ᵬஹ6ஹ789:;Ḅ<=>?@ᑖ᪆CDEFḄGᓄIJKLZnஹFeஹCuஹAgḄOPQRឋTU$V237<=:;ᑁXYZ⁐\ᔠᑖ᪆CDEFGᓄIJ^_7`XaḄᡂᑖ$^_LEFbஹccḄ'(ᡂᑖ஺e⚪g⌕ὃjOPḄᓄkឋ($*+ᑖ᪆<=>?@ᑖ᪆EFcḄlᳮn⚪Ḅᐵp஺8.ூsᫀ௃Cv14⚓$ᐳ22⚓

14ூn᪆௃n0জᔣ{|(}CaC12@HC1ᔠ'Y`⌲ᐭNa2CC)3'Y$ᐭḄ⏚ᐜ⏚$D`0a⊤ᡂḄᡈᵫD6$'YḄpHᐜᜧ,ᐜ⏚D1`b-c⊤ᡂ⏚┛Ḅ$ᦑ┯஺ঝD1`a$⏚⏚ា"#ᐰ$cḄ'(£ᓄஹ£ᓄ┛D2`h$⏚⏚ា"#ᐰ$ᑣcḄ'(¦§$ᦑ*+஺ঞᵫD⏚⏚ᡂ2.2g,©ᡂ2.2gᡠ◤ḄNa2c஺3Ḅ(}X,NaCO+2HC1=2NaCl+HO+COT232210644x2.2g±=/x=5.3g,D1`bḄ´5.3+10%=53g,ᦑ┯஺টDᵬ`0Ta$⏚⏚$'YḄ⏚ឋ⌲·¸¹$º#ᐰ$pH»¼7,'YḄpHGᓄIJᵨD6`dTh⊤$ᦑ⌱⚗*+஺ঠD1`cD2`Ḅkᙳ⊤$⏚£ᓄ┛ា"#ᐰ$ᓽ§{9ា"#ᡂ$ᦑ*+஺ড⏚£ᓄ┛ᡂ5.0g,©ᡂ5.0gᡠ◤Na2cO3Ḅ(}y$CaCl+Na2cO3=CaCOI+2NaCl23106100y5.0g=/y=5.3g,x´(5.3g+5.3g)+10%=106g,ᦑ┯஺JLUUvcᦑÊË┯Ḅᨵ39஺ᦑ⌱0Coᔣ{|(}ḄÎCad?@HC1ḄÐY`⌲ᐭ'((}ᑖᦪ10%ḄNa2cO3'Y$ᐭḄ⏚ᐜ⏚$Ò⏚Óὑ#Õ$Ö×Ø£ᓄ┛$×Øᡂ$ᨬÚᑮÜᨬÝÞß#ᐰ$3àᑖ᪆ns஺e⚪ᨵ{|áâ$+ᐭḄ⏚ᐜ⏚ஹV£ᓄ┛'Y*+nse⚪Ḅᐵp஺9.ூsᫀ௃Bூn᪆௃n0জt/Cå$aஹcḄ'n⦻$æ⌱⚗*+ঝtJCåa'nâ20g,aᱥ(⛳@'Y`'(ஹ'ᑺḄ(}ê020g0100g=10

155,æ⌱⚗*+ঞt2°CåaஹbஹcḄ⛳@'YìíᑮICÚ$b'YḄ'((}ᑖᦪᨬᜧ$ïTCåb'nâêaᜧ$ðñᜧ¼cᙠtzTåḄ'nâ$æ⌱⚗ô*+ট12஺ï0å30gaᱥ(Ḅ⛳@'Yõᡂ20%'Y◤ᐭöḄ(}030gxlUUg,roUg20%-30g=20g,æ⌱⚗*+ঠtJCå$ᵨaḄ⛳@'Y÷ᑴ10%Ḅa'Y$◤⌕ùúஹûᴻýஹ}þஹÿᜮ
ᴻᘤ⌱⚗ডaᓄᜧbᓄ!"ᨵ$%bḄaᱥ()*+,-Ḅa,/012ᓾ45Ḅ6⛳89:;⌱⚗ঢ12?@(%ḄaஹbஹcᑖDᑴᡂ⛳89◤⌕IḄ(%ᨬKḄLc,LMNOcḄᨬ⌱⚗஺ᦑ⌱RB஺᪷Uᱥ(ḄVW/XᑨZ[\@ᱥ(Ḅᜧ]᪷Uᱥ(ḄVW/XᑨZ^ḼḄᓄᱥ(Ḅᓄ`a᪷Uᱥ(ḄVWஹ((%ஹᑺ(%/XᑨZcᑴḄ9(%⛳898⛳89de/Xfghᓄ᪷Uᱥ(ḄVW/XᑨZ^ḼḄᓄ((%ᑖᦪᓄḄ`a⛳89Ḅ((%ᑖᦪ=—lx100%100g+9)((%ᑖᦪ=%X100%9(%\rᱥ(Ḅᓄᜧ\rᱥ(Ḅᓄ/XᵨtuᨔᡈxyuᨔḄzᑖ{.}⚪Lᜧ⌕ὃḄVWᡠ⊤Ḅ᪷UḄVWᩭfᐵḄ⚪!ᑖ᪆⚪ஹ⚪Ḅ஺10.ூᫀ௃Dூ᪆௃Rজᵫᐗ(%/¡mi=Rm4@RLH2,ᦑজঝᵫ¨ᐗ(%/¡mi+m2=m3@RLCᡈCO,ᦑঝঞm3Rm=11R9@/¯°¨⏚8ᐗ²³Ḅ´ᦪ]L1R4,RLC%ᡈC%஺,4ᦑঞট¶R)·ᨵ¸ᐗ@^-m+^m+^m=m¶R)·ᨵ¸ᐗ@^-m+34523¼16⚓ᐳ22⚓

16|m+^m>m,ᦑট+஺452ᵫXÁᑖ᪆/¡D஺ᦑ⌱RD஺᪷U(%ÂឤÄÅÆÇÈÉᐗḄrÊ8(%ᑖ᪆ᑨZ஺}⚪ḄᐵËLᳮ(%ÂឤÄÅÆÇÈÉᐗḄrÊ8(%8ᓄᔠᱥ)[ᐗḄ(%ḄÎÏz஺11.ூᫀ௃5!ÐᑮÒᵫÓÔᐗ1ÕᑮÖÓÔᐗ×XØᨵÙuÚCaClBD14R96ᛛH022ூ᪆௃R(1)⊤)ᐳᨵ┞ஹàஹáஹ╅ஹãärÓÔᐗᙠ¼æᕜè)ᐗÊéḄᓄ`aLR!ÐᑮÒᵫÓÔᐗ1ÕᑮÖÓÔᐗ×XØᨵÙuÚᦑêR5!ÐᑮÒᵫÓÔᐗ1ÕᑮÖÓÔᐗ×XØᨵÙuÚ(2)ᵫ⚪¡Z-Y=9,Z=9+Y,ᙠ²³)Z=2+8+Y=10+Y,ᦑᵫî/¡ï)ðñN{³ᓽó—7,ᦑZ=2+8+7=17,MîðñNõ{³öïᡠñ³L┛²³4øöñ³᪀ᡂᓄᔠᱥḄᓄúûNCaChᦑêRCaCl2(3)A.NO8஺2ᐹᨵ
ᦪᵯᦪᵯB.CO&ᐹᨵ
ᦪᵯᦪᵯC.SO2CO?ᐹᨵ
ᦪᵯᦪᵯD.POSOtᐹᨵ
ᦪᵯᦪᵯ஺ᦑBD(4)ᵫ#$%(C2H3()*ᧇ,ᑴ.$⏣Ḅ12Ḅ345,6712Ḅᓄ9:;i=ᩩ?@CH+H0---CHOH,ᐸH$%I(ḄJKL*2818=149,ᦑ24225149(5)QR%ᙠTUᩩ?V,#WXᑴᡂZ[\]QR%ᐹᨵUᛛឋᦑUᛛ(6)ᵫ53,6abᓄcIdeaᓄf12gᡂaᓄc(ᡠ#X(;ᦑ:ᵯ0஺(1)᪷mᐗoḄᑖq#rᐗoᕜt⊤Ḅvwᩭᑖ᪆(2)᪷mz{᪀ᩭᑖ᪆(3)᪷mᵯḄᭆ~ᩭᑖ᪆(4)᪷m12345Ḅᩭᑖ᪆(5)᪷mᱥJḄឋJᩭᑖ᪆(6)᪷m;5Ḅᩭᑖ᪆஺

17⚪ὃḄ6⌕q⚪⌕ᐗoᕜt⊤Ḅஹᳮzr5Ḅ2ᵨ#rI
ᐵḄ6஺12.ூᫀ௃ABCD£H¤ᯚ¦§¨©=0.3gZn>Cu>Ag,ᙠñ⏚óñ⏚ôḄõᔠᱥH÷ᐭéùúù,ñ⏚ôè=12ûüýÕè=þᙠñ⏚ôÿ
⏚ᡂ⏚,⏚ᑣ
⏚ᡂ⏚,⌕ᐭ
⏚ᨵ⏚"ᵬ$ᙠ⏚&⏚⌱⚗A*+,Bஹ
⏚ᡂ⏚/01ᨵ23ᑣᨵᒕ567
ᡠ/09:;ᨵ⌱⚗B*+,Cஹᵬ=>⁐@A;ᨵ⏚"ᐰCDE7

⏚ᡂF⏚"ᵬ$ᙠ⏚&ஹ⏚⏚⌱⚗C*+,Dஹ/09ᐭHI⏚ᨵJKL@Aᨵᒕ5"⏚ᐰCDEMᨵ7
"ᵬMᨵ⏚⏚⌱⚗D*+,ᦑ⌱OABCD,(2)1,U
Vᓄ◤⌕YZᡠᑭᵨ]^_`aᯚcYZdᑭefg,ᦑhO`1aᯚcYZd,ூjklᫀ௃nஹpqnᡂr@AJ01ᨵsVᓄUMᨵVᓄUB13ḄuVᓄ┛wsVᓄUᐰCᔾᦈ"⌕⍳{|}ឤ2A1Ḅ|=sVᓄU|2Bc1Ḅ|ᑣ=ᡂḄsVᓄU|ᡠ⊤sVᓄU|Cᑖ|ᓽ(iTU-m3)=(m1-m2),ᦑhO=OஹᨵVᓄUj◤⌕|=X,YZC+CuO---CO+Cu18⚓ᐳ22⚓

181280x4g12xc,2=2x=0.6gᨵsVᓄUj◤⌕|=y,YZC+2CuO----CO2+2Cu12160y4g¨=©160-4gy=o.3g,pqinᡂr@AJ0=«ᔠᱥᡠ◤⌕|®eXy¯°ᡠy

19(6)᪷0*+lឤnoefḄᓄpqr,46NaC0+3Fe(S0)+6HO=2324322NaFe(0H)(S0)+6COT+5NaS0ᦑ@46NaCO+3Fe(S0)+6HO=36422242324322NaFe(0H)(S0)+6COT+5NaS03642224(7)ᵫ3ᡠWpH,8.5⏚᪷+ᨬWX(ᦔ᳛ᨬWpHᨬᑴᙠ8.5ᦑ@48.5(8)1ஹXឋḄᘤ¢£¤BXḄᨵ¦Dᑁ+©ᑁW☢«¬®©W☢¯ᓣᑣ²Ḅឋ³ᦑ@4ᘤ¢£¤BXḄᨵ¦Dᑁ+©ᑁW☢«¬®©W☢¯ᓣᑣ²Ḅឋ³UஹBḄµᵨ¶·ᓄ¸CXḄQᑺ¹⏚(ᵨᩭᓄ¸Xᔲᨵ¼ᦑ@4¶·ᓄ¸cUIஹডX¿⁚W☢ÁÂḄõÄᵨÅÆÇ┵ÉÊḄ᜜̤BXḄᨵ¦Dᑁ+©ᑁW☢«¬ᑣ²Ḅឋ³®©Í᠒«Ïᦑ@4Ä®©Í᠒«ÏWஹefᡂᓄ¸*+,4(172mL-50mL-10mL)+1000+22.4LX44g=0.22g,¸⏚(*+,y,CuCO+H2so4=CuS0+HO+COT,342212444y0.22g124_44~—0.22gy=0.62g,ØXCUCO3Ḅ*+ᑖᦪ,4Ûx100%=51.7%,Ü4ØXC11CO3Ḅ*+ᑖᦪ,51.7%.VஹAஹঞXÂàáâডXãàäᦪᡠåᓄ¸Ḅæçè▭ᜧëìíînïðñᜧBஹ⏚Ḅᵨ+ò¸⏚(óôᐰefᡂᓄ¸ö÷ëìíînïðñøCஹ+©XóOùᱥúᓄ¸ûìíᓄ¸æñøëìíînïðñøDஹডXüᨵ¿⁚+ýþW☢ÁÂ+©ᑁÿᜧ☢ᓄᦪ.ᦑBCD!"20⚓ᐳ22⚓

20(9)1ஹ+,-ᨔ/ᐜᜫ234ᨔ/Ḅ67824.0g-22.2g=1.8g!@AᓄB678z,Cu(OH)2ḄᑖIJKLC11CO3ḄᑖIJK34AᓄBNᐰPQRSᡂ/Ḅ67822.2g—20.4g=1.8g!JCU(OH)—CUO+HO*229818Z1.8g98_^8_z1.8gZ=9.8g,@⏚B678m,⏚BᑖISᡂᓄ67820.4g-16.0g=4.4g,JC11CO3---CuO+CO2T12444m4.4g124_44m4.4gm=12.4g,᪷a⚪cᨵef=xy,ff=yZ,ijklmnxyz=11I!ᦑ111!nஹqr16.0gᒕtuvw+,ᑮyḄJKz{u67|}l.6gR67ᦋPQjᓄBḄᐗᑖᓄᡂᒕtuBᐗ678:16.0gxx|il00%=12.8g,ᒕtuᐗ67816.0g-12.8g-1.6g=1.6g,@uḄᓄ8CUmOn᪷a⚪cᨵ64m16n=12.8g1.6g,mn=21,34ᒕtuḄᓄCU2O,J4jmzSPQḄᓄ84CuO-2CUO+OT.22Jᦑ4CuO—2CuO+OT°22

21ஹBḄឋ6ᐸQᵨ(1)᪷aឋ¡ᓄᑖ᪆£¤4⚪!(2)1ஹ᪷aPQᩩ¦§¨©ªᵨ!ூ@kᫀ௃ᫀnஹ᪷a67®ឤ°£¤4⚪!±ஹ᪷aPQ²Sᡂᓄ¡ᓄ³´µ¶kl4⚪(3)᪷a☘BᘤLᔠ᪷aPQᱥ¡Sᡂᱥ67®ឤ°ᑏ¼PQḄᓄ;ij¾¿mÀᑨÂBS┤Ḅᩩ¦!ஹBḄᑴᜓẆ(4)ÇḄÈÉÊËÌÍÇ!ÎஹBḄᓄᔠᱥḄᑴᜓẆ(5)᪷a¾¿ÏKÐ⏚BᡠÀᨬÓ⌱ÕÖBᐗḄᱥ6ᓄB¡×Ø⏚PQSᡂØ⏚B¡/!(6)ᓄPQ⍳Ú67®ឤ°ᓽPQÜRᐗ´ÝÞß´Ýஹ§àᦪ¡67á!(7)᪷aâãäḄåæmÀᑨÂçᐵ☢Ḅé⚪(8)1,᪷aê먩ḄìឋḄíᑖ᪆!îஹ᪷aïØ⏚Ḅᔾ/ឋmÀñò!ó/Ø⏚BmÀê¿ᓄᔲNᐰñòõöI¤!±ஹ᪷a☢÷øù÷ᑖ᪆!Wஹ᪷aSᡂᓄḄú¼ᓄḄ67ú¼⏚BḄ67!Vஹ᪷a⌼ᡂᓄÖ7Ḅü|ᑖ᪆!(9)᪷aãäḄᦪaஹåæýmÀõöçᐵ☢Ḅkl¡ᑨÂ!ᙠI4Ý⚪-✌ᐜ⌕⚪Ḅ,ᯠᔠḄᐸ⚪ᡠ◤Ḅ!ᡠ"ᙠ⚪$ᐜ%Ḅ&⚪'()ᯠ*Ḽ&⚪,-.Ḅ/,01ᨵᵨḄ!4᪵678!ᡫᣍḄᨵᦔឋ஺Ḅ&⚪>▭@ABᩖḄDᓄFGᐸ>HIᓫHKẠᡈὅO"PDᓄ6QḄ'R᛻,ὃUKVV⚪!WᜧYZ[ᜧ஺\22⚓ᐳ22⚓