2021年北京市海淀区中考化学二模试卷（附详解）

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16B.ᓄḄ!⏚ឋᱥ#$ᐹᨵ'()Ḅῖ⇨ឋᦑ⌱⚗┯-஺C..ᓄḄ/0ឋ1ᦋ⏚ឋᦑ⌱⚗┯-஺D.34ឋᱥ#156ᡠ81ᵨᦋ⏚ឋᦑ⌱⚗┯-஺ᦑ⌱9A0⏚ឋ:ᵨឋᱥ#ᩭ!஺⌱<ឋᱥ#=>⌕@ᔠὃ⇋Dᱥ#Ḅឋ#᝞1ᐹᨵ'(Ḅῖ⇨ឋFGᑖ᪆ᑨK஺L⚪NO1ᜧQR!566ᵨஹᱥ#Ḅ⏚ឋTᮣVWᵨXYL⚪Ḅᐵ[஺11.ூYᫀ௃DூX᪆௃X9Aஹ_ᑴ⏚᫥bḄpHc3d4,e7,0⏚ឋᦑ⌱⚗┯-஺BஹᵯX#gᧇḄpHc4d5,e7,0⏚ឋᦑ⌱⚗┯-஺CஹᬒjkglḄpHc6d7,0⏚ឋᡈឋᦑ⌱⚗┯-஺DஹnᡭpkḄpHc8d9,ᜧ7,0ឋᦑ⌱⚗஺ᦑ⌱9D஺qrsḄpHt7=ᕈឋvqrsḄpHe7=ᕈ⏚ឋvqrsḄpHᜧ7=ᕈឋvwxFGᑖ᪆ᑨKᓽ஺L⚪NO1ᜧQRrsḄ⏚ឋ!rspHᜧez{Ḅᐵ|X⚪Ḅᐵ[஺12.ூYᫀ௃BூX᪆௃X9Aஹ}ᓄᵫ}ᓄᑖj᪀ᡂḄ1ᵫᵫᑖj!ᑖj᪀ᡂḄᦑA┯-vBஹ}ᓄᵫᐗ4ᐗᡂḄᦑBCஹ}ᓄஹᐗ#c(IX2)9(16X2)=1916,ᦑC┯-஺Dஹ}ᓄஹjᦪc292=191,ᦑD┯-஺ᦑ⌱:Bo᪷wᓄḄFGᑖ᪆:জ:a.⊤ᱥ#vb.⊤ᱥ#Ḅᐗᡂvঝ:a.⊤ᱥ#Ḅᑖjvb.⊤ᱥ#Ḅᑖj᪀ᡂ;wxFGᑖ᪆ᑨK.L⚪NO1ᜧQRᓄḄ4TᮣVWᵨXYL⚪Ḅᐵ[.13.ூYᫀ௃C

17ூX᪆௃X9ឋḄ4ᡈᔠ᧕¡ᰦ£¤¥¦ᑁḄᨵḄp¥¨⌕■ª«ᔠ¡ᰦ£஺Aஹ¬ᡠ᪗®Ἥª°᥎᪗®1〉ᔠᙠ¤¥¦´ᵨᦑA┯-஺Bஹ¬ᡠ᪗®qµ°ᵯ᪗®1〉ᔠᙠ¤¥¦´ᵨᦑB┯-஺Cஹ¬ᡠ᪗®Ἥª¶·᪗®〉ᔠᙠ¤¥¦´ᵨᦑC஺Dஹ¬ᡠ᪗®qµ¸ᱥ᪗®1〉ᔠᙠ¤¥¦´ᵨᦑD┯-஺ᦑ⌱9C»᪷w¬᪗ᡠ⊤Ḅ¹ᩭὃ⇋Tºᔠ¤¥¦6»Ḅ¼⚗FGᑖ᪆ᑨK஺L⚪NO1ᜧ½Xᔜ᪗¿ᡠÀ⊤Ḅ¹ஹ¤¥¦6»¼⚗XYL⚪Ḅᐵ[஺14.ூYᫀ௃CூX᪆௃X9ÁᓄÂᵨ÷ᵫÁᓄÂÄOᜧ1ÅÆ1ÇᢝÅrk4“÷”Dᵨ⌶Ìᐵvᦑ⌱9Co᪷wᵨ⌶56ឋ#FGᑖ᪆஺᪷wᱥ#Ḅឋ#ÍÎᵨ⌶ᵨ⌶56ឋ#FGᑖ᪆஺15.ூYᫀ௃BூX᪆௃X9A.⌱<´ᵨÏᐳÐÑÒᐹÓGÔÕᓄÖᧇḄ´ᵨÔÕ×ØᱥḄ᣸ÚÛÜ1ᔠ⚪vB.¡V×kÝÞ᣸ᐭàáâ⌼ᡂk×ØÛÜ┯-äᔠ⚪vC.Òåæᜐᳮé᣸Ú8■ª×ØÛÜ1ᔠ⚪vD.êëìíᱥ_îíᱥï8ÔÕᛛᧇíᱥïḄ´ᵨñÔÕᓄÖòóḄ´ᵨôÔÕõ⁐×ØÛÜ1ᔠ⚪஺ᦑ⌱9Bo᪷w÷øù᛻ḄᐹûüFGᑖ᪆XYᓽ஺L⚪ὃýḄᓄ4ù᛻÷øḄþÿ
ᡂ⚪ᨵḄ஺16.ூᫀ௃Bூ᪆௃Aஹஹᙳ!⏚#$%&'()*Ḅᓄ,ឋ.ᦑ⌱⚗┯3஺Bஹ4⏚56#$7ᡂ4⏚89:Ḅ)*;<ឋ%=ᦑ⌱⚗>18⚓ᐳ30⚓

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20Cஹ᪷8*+ឤᓄ.ᓄᐗḄᢝ.]Xᨵᐗ]XᨵஹஹᐗrLPG¡ᨵᐗᐗ¡ᐗᦑC¢£Dஹ᪷8CḄᑖ᪆LPG¡ᨵᐗᦑD┯ᦑ⌱6Co᪷8h1h2Ḅ¨©ª«ᔠ*+ឤᓄ.ᓄᐗḄᢝ.ᑖ᪆G஺A⚪⌕ὃDE*+ឤ=>¯ᱥ¯ktᡂᱥḄ;<Z
ᜧ஺23.ூGᫀ௃Cூ᪆௃6A.]Xজঞ²ᵫᱥ*tᡂ³´ᱥ*ᙳµ¶ᑖ]X⌱⚗¸<¢£B.]Xঝᓄ╅ᓄµ¶ᓄᱥ⌱⚗¸<¢£C.]XঞMg0Cl2Ḅ*+¾O24671,⌱⚗¸<┯6D.╅Ḅᓄឋ*ÁÂÃN=0Ät]Xtᡂcᡠ=╅¯kᵨᩭÅo,=■ÄtᰦÈ⌱⚗¸<¢£஺ᦑ⌱6CoA.ᑖ]Xᵫᱥ*tᡂ³ᡈ³=q´ᱥ*Ḅ]XB.ᓄᱥᵫ³ᐗÊᡂḄËᐸᐗᐗḄᓄᔠᱥC.᪷8ᓄ;Í`ᩭᑖ᪆9:D.᪷8╅Ḅឋ*ᩭᑖ᪆஺A⚪ὃDEᱥ*Ḅឋ*ஹÎA]XÏḄᑨÑஹᓄᱥḄᑨÑ;<ஹᨵᐵᓄ;Í`Ḅ9:2Z
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21A.᪷8ᓄ]XḄìᳮᩭᑖ᪆B.᪷8ḄpH0⏚áឋḄᐵîᩭᑖ᪆C.᪷8ḄpH0⏚áឋḄᐵîஹåᲩ;Ḅ.⁐ñòᩭᑖ᪆D.᪷8]XḄìᳮᩭᑖ᪆஺⌕óGôõ⚪ö⌕ᳮ÷øÕḄᓄឋ*ஹᵨ⌶ஹ]Xúûᓄ;Í`=>Ḅ⏚áឋ0pHḄᐵî2Z
ᜧ.25.ூGᫀ௃Dூ᪆௃6r∑ý¯ktᡂCO2HzO,]X⊤_`O6∑ý+஺2᦮'CO2+m0'᪷ឤ∑ḄᓽḄᡂḄᓄ!"#Ḅ$"%Ḅ∑"&Ḅ$"'Aஹᵫ⚪*m(∑)=31.56g-30.16g=1.4g'ᦑA┯9'Bஹᵫ<=>⍝%∑Ḅm(02)@AB'ᦑB┯9'Cஹ30.16gᒕD∑Ḅ'ᦑC┯9'Dஹ᪷ឤ∑ḄᓽḄᡂḄᓄ!"#Ḅ$"%Ḅ∑"&Ḅ$"ᡠGm(C02)+m(H0)=m(0)+221.40g'ᦑDIBJᦑ⌱JD஺᪷ឤ∑ḄᓽḄᡂḄᓄ!"#Ḅ$"%Ḅ∑"&Ḅ$"ᑖ᪆஺O⚪P⌕ὃSTឤḄUᵨWXYᜧ஺26.ூ\ᫀ௃_J`%ḄabcdᨵḄ⃩ghᑖ᪆஺iᱥkcldkᾦᜧncldopqrcldshtᾙcldvw஺ᦑ\ᫀ:ூ_᪆௃᪷`%ḄabcdᨵḄ⃩ghᑖ᪆஺iᱥkcldkᾦᜧncldop,qrcldshtᾙcldvw஺z22⚓ᐳ30⚓

22ᓄ}~cὃḄ$ᜧ⃩ghᒹḄpஹᳮஹaᱥᩭஹஹ᤬ᐭḄ*⚗ᓄ}ᐗh~ᏉḄᐵ>IB_⚪Ḅᐵ¡.27.ூ\ᫀ௃ab¥Ḅᓄ}ឋY§Y¨᧕"ᐸ«ᱥ¬82ூ_᪆௃_J(1)®ᑡ°±ᚮ⍡ᙬµ¶ḄᦻᱥcᡠᵨᩞᧇP⌕¥ºᩞᧇḄ¥☢ᐹ½ᱏ"☘ÀÁ᪛஺ᦑÃJabo(2)µ¶ḄÅ¥☢ᐹÆᯠ¥ᐝÉÉÊ¥Ḅᓄ}ឋY§Y¨᧕"ᐸ«ᱥ¬஺ᦑÃJ¥Ḅᓄ}ឋY§Y¨᧕"ᐸ«ᱥ¬஺(3)ËÌc᪶ᑁÌᦪ=᪶᜜ᵯÌᦪÒËÌḄËÌ᪶ᑁᨵ82ÓÌ"126ÓcÌÔËÌḄ᪶᜜ᵯÌᦪ82஺ᦑÃ:82஺(1)¥ºᩞᧇᒹ¥ºᓫ"ᔠ¥஺(2)¥Ḅᓄ}ឋY§Y¨᧕"ᐸ«ᱥ¬஺(3)ËÌc᪶ᑁÌᦪ=᪶᜜ᵯÌᦪ஺O⚪P⌕ὃSᱥḄឋ_\⌕᪷ᔜᱥḄឋØᔠᔜÙ☢ᩩÛÜÝᑖ᪆ஹᑨßàáâµIBḄØã஺äå28.ூ\ᫀ௃Fez஺?+6HC1=2FeCh+3µ0FeO+3C0—2Fe+3COì+232í2O—CO+2HO222ூ_᪆௃_JAஹî┤ḄP⌕ᡂᑖᓄî~ð⏚ᡂòᓄî"#Ḅᓄ}ÙóôFe2()3+6HC1=2FeCl+3HO»32Bஹ÷îøḄP⌕ᡂᑖᓄîùúûᵨᓄ!üËᓄîýîP⌕ᑭᵨCOḄüËឋᙠ
ᓄᡂᓄḄᓄFe2()3+3C0—2Fe+3CO02Cஹᜩᯠ#Ḅ$⌕ᡂᑖ'ᵬ)ᵬ)ᙠ+,ᩩ.,/ᡂᓄ0Ḅᓄ+,CH4+2O—C0+2H2஺஺22ᦑ5ᫀ7AஹFeO+6HC1=2FeCl+3HO=2332

23BஹFeO+3C0—2Fe+3CO;232>CஹCH4+2O2—CO+2HO-22✌ᐜ᪷BCᳮEFᱥஹᡂᱥஹᩩ.᪷BᓄḄHᑏJஹKL(ᑏஹMஹNஹO)PQHᑏᓽS஺T⚪VWXᜧὃ[᪷BCᳮHᑏᓄḄ\]ᓄHᑏ^_F`Ḅ┯bᨵXdᔠfghiஹX⍳klmkឤopஹXᑏᩩ.ஹX᪗drO஺29.ூ5ᫀ௃S,ᱥ,/vwὑ஺2y1izᦪB|}ᜐ஺2mூ᪆௃7(1)y1|஺200s#W}Ḅ$⌕C'S,ᱥ,/vwὑ஺2=ᦑ5ᫀ7S,ᱥ,/vwὑ஺27(2)y1izᦪB|}ᜐ஺2mᡠᜐ⌕ᵨᣆᒾPEᐰF=ᦑ5ᫀ7y1izᦪB|}ᜐ஺2m஺(1)᪷Byᩭᑖ᪆=(2)᪷By⌫Ḅ¡Jᩭᑖ᪆஺T⚪⚪Ḅ¢ὃ[£⌫ḄJஹCᳮOVWXᜧ஺30.ூ5ᫀ௃¤ᔠᱥabc⊤☢§ឋᑺᱥ⏘«¬ᑺḄlm®¯°±²³´Ḅµ³ᦔ·¯¸bedூ᪆௃7(1)ᵫ⚪ºS»¬⊟½¾|Ḅ¿À¬⊟Á|ᨵÂÃᣆÄŤᔠᱥ=ᦑÆ7¤ᔠᱥ=(2)ÇÈÉ⏣Ḅᓄ(C2H4஺ᯠ'ᵫஹËஹÌÃᐗÎÏᡂḄ=ᦑÆ7abc=(3)ᵫ⊤1S»¿À¬⊟ÁḄ$⌕ᡂᑖ|mᨬḄ'⊤☢§ឋᑺ7ᦑÆ7⊤☢§ឋᑺ=(4)ᵫy2ÑᑮḄᐵÅ“ᱥ«¬ᑺḄlm®«°±²³´Ḅµ³ᦔ·ᐵÕ”Ḅ×Ø7ᐸÚᩩ.ÛÜᙠᱥ⏦«¬ᑺlm®2710002071000ßᑁᱥ⏘«¬ᑺḄlm®¯°±²³´Ḅµ³ᦔ·¯¸=ᦑÆ7ᱥ⏘«¬ᑺḄlm®¯°±²³´Ḅµ³ᦔ·¯¸=(5)aá⚪ºS»ÇÈÉ⏣\âÅ0⌱⚗åJ┯b=b.æῚᡈÂῚ¬⊟½¾ḄᔜêëῚìSᑖíî¬⊟Áஹ◀ðᑺஹñòᑺOóᓫ⚩½¾öᨵÂ÷øᦔåJùú=c.ᵫ⚪ºS»¿À¬⊟ÁḄ0m}Åûü¬⊟ÁåJùú=ý24⚓ᐳ30⚓

24d.⊟ᨵᏉḄᱥᡠ⊟ᑮ᧕ᑮḄᙢ"#$%&஺ᦑ)*bcdo(1)᪷2ᱥḄ3ᡂ5ᑖ7ᩭᑖ᪆:(2)᪷2ᓄ=>Ḅ?@ᩭᑖ᪆:(3)᪷2⊤1CDᩭᑖ᪆:(4)᪷2F2CDᩭᑖ᪆:(5)᪷2ᱥḄឋஹᵨ⌶ᩭᑖ᪆஺L⚪ὃOPQRSTUᔠឋSWXY2ZᨵḄPQ[\]^஺31•ூ^ᫀ௃ᵬ⏣ᨵeᐗghiᵬ⏣jklemᑖno◞ூ]᪆௃]*(1)hqrᐗgs7tᵬ⏣ᨵeᐗghiᵬ⏣jklem஺ᦑ)*ᵬ⏣ᨵeᐗghiᵬ⏣jklem஺(2)uvwxyemz{y|}rᦋtḄᑖno◞ᓽᑖno◞஺ᦑ)*ᑖno◞஺ᓄ=h⍳wឤvᓽhḄᱥḄwhrlᡂḄᱥḄwᓄ=hqrᐗgḄs7tnḄs7ஹᦪt஺ᓄ=h⍳wឤvᓽᓄ=hqrᐗgḄs7tnḄs7ஹᦪtᑏᓄ=">ஹᑨᱥḄᓄ=>ஹᑨᓄ=wᦪஹ[\ᐵ"☢ḄẠ஺32.ூ^ᫀ௃FeS0+2NaOH=Fe(OH)I+NaSO«ᐗg4224ூ]᪆௃]*(1)1Fes஺,5NaOH®l¯ᑖ]hlᡂe«ᓄ°±²³´⏚¶,·hḄᓄ=">*FeS0+2NaOH=Fe(OH)I+Na2s0”42ᦑ)*FeS0+2Na0H=Fe(0H)I+NaS0o4224(2)H®lh*4Fe(0H)+0=2FeO+4HO,ᐸᓄᔠ»¼½Ḅᐗg«22232ᐗgᓽ«ᐗgḄᓄᔠ»ᵫ«mḄ0tᡂ«ᓄ±ᡈÀḄ-2஺ᦑ)*«ᐗg஺(l)FeSCU5NaOH®l¯ᑖ]hlᡂe«ᓄ°±²³´⏚¶஺(2)ᓫᐗgᓄᔠ»0,ᓄᔠᱥᐗgᓄᔠ»ÆᦪÇ஺È⚪É⌕ὃOᱥḄឋ]^i⌕᪷2ᔜsᱥḄឋÌᔠᔜ"☢ᩩÎ[\ᑖ᪆ஹᑨÏÐÑÒ%&ḄÌÓ஺

2533.ூ^ᫀ௃Àᓄ=ூ]᪆௃]*(1)Ô⏚ᙠÖᓄ᮱®lhÑᑮØskᱥhᔜᱥḄᑖnᦪÙ1*1*1,1Ô⏚ᑖnᨵ2Únஹ4en2«n1ÔÛÜᑖnᨵ2Únஹ2enூ«nᑣlᡂḄÞ᜜1ᑖnᨵ2en1«nᐸàáâ?Fã஺(2)äÔ⏚Ô⏚ḄÀåæᑣåᑺÀ஺(3)Ô⏚ᙠᔾᦈᛞ5ÔÛÜhlᡂÔ⏚ëᨵìᱥlᡂ®lḄᓄ=tᓄ஺ᦑ^ᫀ*(1)í:ফÀ:(3)ᓄ=஺(1)᪷2⚪?Ô⏚ᙠÖᓄ᮱®lhÑᑮØskᱥhᔜᱥḄᑖnᦪÙ1*1*1,[\ᑖ᪆]^஺(2)᪷2äÔ⏚Ô⏚ḄÀåæ[\ᑖ᪆]^஺(3)Ô⏚ᙠᔾᦈᛞ5ÔÛÜhlᡂÔ⏚ï[\ᑖ᪆]^஺È⚪ðñᜧᳮ]ᵫÔ⏚lkÔ⏚⏊Ḅõᑖö÷øF=ùÏàáḄúñᑖ᪆ᱥḄtᓄஹᱥᳮtᓄᓄ=tᓄḄᑨû"$%&]^È⚪Ḅᐵü஺34.ூ^ᫀ௃ýᴻÿঞঝজூ᪆௃(1)ᘤaḄᴻ஺(2)Ḅ⌕ᡂᑖᓄ",$%&'(()'ᱥ+,-.ᑖ/)ஹ(()'ᱥ12◀4)ஹ56(,7'89ᑖ/:ᩭ<=ᑮ,)=ᑮ?Ḅ@ABCḄDEFGঞঝজ஺(3)IJ.KঝḄ஺ᦑMᫀO(1)ᴻPফঞঝজP(3)஺(1)᪷STUᘤḄAVWᑖ᪆M஺(2)᪷S$%X9YᨵḄ[\])'ᱥ◀4AVWᑖ᪆M஺^26⚓Aᐳ30⚓

263
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