2022年河南省南阳市唐河县中考化学二模试卷（附答案详解）

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12ூ᪆௃AஹᵫLMNOpHP9QRᜧS7⌲UVWᑮ7ᯠ'WS7,NOZ[\ឋᯠ';^Ḅᐭ⏚ឋ`pHVWab9cde⏚fᑮghᓄj$ᦑ⌱⚗al஺Bஹ160sḄpHWS7,[⏚ឋ9ាnoᐰqr'stfde⏚de⏚ᨵᒕwᦑ⌱⚗al┯=஺Cஹ200sḄpHᜧS7,[\ឋ$ḄNaOHNaCl,ᦑ⌱⚗al஺D,ᵫ14x+▬{^=◤{1+0NO36.5+Ḅe⏚40+ḄghᓄjាnoᐰqrᵫH2s+2NaOH=NaS0+2HO,49+Ḅ⏚40+Ḅgh242ᓄjាnoᐰqrde⏚ᣚ+ஹ+ᑖᦪḄd⏚+ḄghᓄjqrὑḄd⏚Ḅ+ᑣnᦑ⌱⚗al஺ᦑ⌱BoAஹ᪷LM$pHPḄᓄ9ᜧS7⌲UVWᑮWS7,ᑖ᪆ᑨ^஺Bஹ᪷160s,ḄpHWS7,ᑖ᪆ᑨ^஺Cஹ᪷200sḄpHᜧS7,ᑖ᪆ᑨ^஺Dஹ⚪;9ᜧ⌕ὃ$qrᐸrᵨḄ⏚\ឋpHᜧW¡¢Ḅᐵ¤ஹᦪ¥¦ᔠḄ¨ᳮ$qr9C⚪Ḅᐵª஺12.ூCᫀ௃Bூ᪆௃AஹNᵨ#«ᑖ¬⏚┛®ᓄ┛S#Ḅ¬⏚┛᧕S#Ḅ9®ᓄ┛ᦑ⌱⚗al஺Bஹghᓄ°®ᓄ╅⏚jqrᑖ²³ᡂghᓄ╅´µஹ⏚¶´µ;)␺²ᦑ⌱⚗al┯=஺CஹNᵨ¸ḼḄᩈᩩ«ᑖ¼½h½)`ᩈᩩ¸¾¿ÀḄ9h½)`ᩈᩩᰐÂḄ9¼½ᦑ⌱⚗al஺DஹNᵨýᕡḄÅl«ᑖÆ⏀ÆÈᨵ⏀Ḅ½ᕡḄ9Æ⏀ᨵ⏚ᕡḄ9ÆÈᦑ⌱⚗al஺ᦑ⌱B஺␺²ᱥ✌ᐜË◤⌕␺²ḄᱥḄឋËÌᑖ᪆ÍᱯឋÏ᪷ឋḄ;Ð⌱Ñ〉ÓḄÔᑺÖ;ÐḄÖMḄ×)␺²஺⚪ᨵØÙᙠÛ␺²ᱥ⚪ᑨ^ḄÜ9ᡠ⌱Ôᑺ◤⌕Þ␺²Ḅᱥ

13qrßÖb[;ÐḄÖM஺13.ூCᫀ௃Aூ᪆௃Aஹᙠáâãᘤᑁæçèᑮhᓄçqré'ãᘤᑁᱥḄê+;ᦑ⌱⚗LM஺Bஹë츾9í½$Ḅh½qráâîïᑁh½Ḅ+ØQR;ð6ᦑ⌱⚗LM┯=஺Cஹ/ïSí½$ñòᡭôḄõᱏ⊤☢ᨵØùúáḄhᓄõↈü/ïSí½$ñòᡭôḄõᱏe⏚qrhᓄõᐜde⏚qr³ᡂ®ᓄõ#hᓄõqroõÏde⏚qr³ᡂ®ᓄõg½ØQR;ðý³g½ᦑ⌱⚗LM┯=஺DஹØÙ+Ḅhᓄ┛ᐭ⛳þᮞ
ᓄ┛ᡂᓄ┛
ᑺᨵᓄ┛᪆ឮḄ!ᦑ⌱⚗%&┯(஺ᦑ⌱*A«Aஹ᪷/0ឤ234ᑖ᪆ᑨ7஺Bஹ᪷/9:;<=>?
Ḅ?34ᑖ᪆ᑨ7஺CஹABC>?
DEᡭGḄHᱏ⊤☢ᨵLMNḄᓄHↈP34ᑖ᪆ᑨ7஺Dஹ᪷/ᓄ┛ᡂᓄ┛34ᑖ᪆ᑨ7஺R⚪=⍝%&ᙶ᪗ᓄWXYZ[ᔠḄ]ᔠ⚪^⚪Ḅᐵ`=[ᔠᡠbcḄᓄWXY,efᑖ᪆ᔜhᓄḄijklᑖ᪆ᙶ᪗m⊤nḄloஹpqḄrsஹᢚschᓄuv3wfefḄ%&஺14.ூ}ᫀ௃Cூ^᪆௃^*ᨵ╅ஹHᡂḄᔠᱥᐳ12.6g,ᔣᐸ
ᐭḄH2sO4ាᐰ11.4g,ᡠᡂ?Ḅ12.6g-11.4g=1.2g,⏚
ᐗ¢£⏚᪷Ḅ2*96=1*48,ᑣ⏚᪷Ḅ1.2gx48=57.6g»ᡠ«¬Ḅ12.6g+57.6g=70.2g஺ᦑ⌱*Co᪷/0ឤ2ᔠᱥḄ±²ᓽᡂ?Ḅ᪷/⏚
ᐗ¢£⏚᪷Ḅ´µ⏚᪷Ḅᡠ«¬Ḅᓽ⏚¶14⚓ᐳ21⚓

14᪷Ḅ£ᔠᱥḄ¸£34ᑖ᪆஺R⚪ᨵ¹º»f!⏚᪷Ḅ¼hஹ
ᡂ?ḄᓽᔠᱥḄ±²=ef^}R⚪Ḅᐵ`஺15.ூ}ᫀ௃Si஺¿?ூ^᪆௃^*ᙢÁ
ᐗ¢ḄÂᵫÄᑮÆÇÈஹấஹHஹÊËÌÍᙢÁ
ÂÎ!ÏḄᐗ¢ᡠÐᡂḄᓄᔠᱥḄᓄWÑ=Si஺??ᐹᨵÔ;ឋᑁr×Ø᝞ÚᡭÛÜÝ×wÞ<«ßàáÌ=?஺ᦑ}ᫀ*SiOâ?஺2᪷/ᓄᔠᱥḄᓄWÑᑏäc;<Ḅᩩæᩭᑖ᪆஺R⚪ὃéᓄWÑḄᑏäcê3;ᧇḄáᳮ˹º¼ᜧ஺16.ூ}ᫀ௃ºᓣÄïáðñḄñ◞hᜧCHOH+30——2CO+3HO◞õ>25222?ூ^᪆௃^*ï=ᵫïáð᪀ᡂḄºᓣÄïáðñ◞hᜧÌÍᵨø´ùº´
ïúÞûᓣâᙠs;Ḅᩩæý⏀ÿ
ᡂ
ᓄᓄC2H50H+3O—2CO+3H2஺ᵨ!⏀#Ḅ!%&ᳮ(◞*+22஺ᦑ-ᫀ/01ᓣ34&56Ḅ6◞7ᜧCH0H+3O--2CO+3HO:◞*+25222஺᪷<=5Ḅឋ?ஹ⏀#ABḄ&ᳮCD!%ḄEF&ᳮᩭᑖ᪆஺J⚪L1MᜧNOᓄḄᑏEஹ!%&ᳮஹ&5ḄQJឋ?R(STU-J⚪ḄᐵW஺Ni17.ூ-ᫀ௃M]^CH+C0—^2CO+2HCH42281OூU᪆௃U/a1bᜩᯠ(efᓄghiᙠklᑁnMᑮ⊡ᐙrstuM]^hiᦑ-ᫀ/M]^

15(2)ᵬy
ᓄᙠ30z{ᓄ|᦮(Ni{ᓄᑺ)]ᑴnCOHzḄᓄNiNiCH4+CO2=^-2CO+2H2ᦑ-ᫀ/CH4+CO2-7=^-2CO+2H:002(3)XḄᓄCaHb᪷<⚪ᨵ12a+b=106,12a/b=48/5,Un/a=8,b=10,ᑣXḄᓄ/CHᦑ-ᫀ/CHO810810(1)᪷

16Ca(OH)+C0=CaCOI+H0+CDEᑮ∑HᵫIᑮJKLᰐNOPQRS72232ᓄḄTUVWᜧYZ[ஹY]ᢝZ[஺ᔠᳮ`aPQb3ᙢdePQஹᑖ᪆PQhijPQklḄmnop⌕3r`aPQஹdePQஹᑖ᪆PQ)3sᓄ3tuᝈwxẠ஺20.ூ|ᫀ௃2H2஺2H2T+஺2TNa2cO3+Ca(OH)=CaCO1+2NaOH423ூ᪆௃7(1)ATBᵯᡂ,0./Ḅᓄ34562H20-2H2T+OT+E-F7⏚0ᑗ./ᡂ⏚┛0,ᓄ./Ḅᓄ34562Na2cO3+Ca(OH)=CaC0I+2Na0H«23ஹᵯᦑ|ᫀ)72H2஺2H2T+02Na2cO3+Ca(0H)2=CaC()31+2NaOH஺(2)./Ḅx./ᨬᨵ4ᓽᣚ./(⏚0V¡Ḅ¢£ᓫ¥./ᡂ¦0,)ஹᓄᔠ./(0ᓄ./ᡂ⏚)ஹᑖ./(ᵯᡂ,0)ஹ§ᑖ./(⏚0,ᓄ┛./ᡂ⏚┛0,ᓄ)஺ᦑ|ᫀ)74஺ᨬ¨ᵨḄ$ᑺ⏚«¬®0ᓄ./ᡂ⏚ᓄ0,ᓄ./ᡂ⏚0⏚0⏚./ᡂ¦ஹ0ᓄ⏚0,ᓄ┛./ᡂ⏚┛0,ᓄ,ᓄ0⏚./ᡂ¦0⏚0V¡Ḅ¢£ᓫ¥./ᡂ¦0,,Z[ᡂᵯᡂ,0opA-F¯°ᑖ±ஹ,ஹ⏚ஹᓄஹ⏚ஹ,ᓄ஺⚪³⌕ὃµᱥ¥Ḅឋ¥|·⌕᪷¹ᔜᱥ¥Ḅឋ¥kᔠᔜ4☢ᩩ½deᑖ᪆ஹᑨ¿ÀÁhijḄkl஺21.ூ|ᫀ௃ÂÃÄ(*⁐ÅUᓣJᑖÇÈÉḄÊ᳛ÌÍூ᪆௃7(1)PQ·ÎÏÐᢴᐭÓÔÏÐᐹᨵᢵ2ឋᢵ2iᩭḄÐ$ØᡂÐÙ®ឋÚÛ⁐ÜᏲ$%(*⁐PQÞ5DEᑮḄPQ"#ÂÃÄ(*⁐஺(2)ßᙠÓÔ⚜ᐜÌᐭ,ᓄãä,ᓄ$åæÚÅUᓣJDEᑮḄPQ"#VÌᐭmi"h⌕Ío)ÅUᓣJᑖÇÈÉḄÊ᳛ÌÍ஺ᦑ|ᫀ)7

17(1)ÂÃÄ(*⁐+(2)ÅUᓣJᑖÇÈÉḄÊ᳛ÌÍ஺(1)PQ·ÎÏÐᢴᐭÓÔÏÐᐹᨵᢵ2ឋᢵ2iᩭḄÐ$ØᡂÐÙ®ឋÚÛ⁐Üç$%(*⁐deᑖ᪆|஺(2)ßᙠÓÔ⚜ᐜÌᐭ,ᓄãä,ᓄ$åædeᑖ᪆|஺⚪èUYᜧSjÏÐᐹᨵᢵ2ឋஹÐÙ®ឋஹ,ᓄ$åæéêᑖÇḄxឋ¥j|⚪Ḅᐵì஺22.ூ|ᫀ௃Fe+2AgN()3=Fe(NO3)2+2AgMg(NO)>Fe(N0)3232ூ᪆௃7পòḄ¢£ÉឋVóஹôõV╅÷ᔣMg(NC>3)2ஹCU(NC)3)2ஹAgNO3Ḅùᔠ$%ÌᐭwúḄòûYMg(NC)3)2$%./òᐜAgNC)3./ᡂü⏚ýò0ó,AgNC>3./ÿ,
ᨵ,Cu(NO3)2ᡂ⏚⏚!
"#$%&!'#()⏚*+!ᑣ-./Ḅ1⏚*ᡂ⏚*!Ḅᓄ34567Fe+2ANO=Fe(NO)+2Ag»g332(2)@ᐭ⏚!
ᨵBCDE!'#@)ᨵ!'#1FGḄ!ᑣ-.ᨵḄ+H1Mg(N()3)2ஹFe(NO)»32ᦑLᫀ7(l)Fe+2AgN0=Fe(NO)+2AgP332(2)Mg(NO),Fe(N0)o3232ḄRSTUឋW*ஹX!W╅Z!ᔣMg(NC)3)2ஹCU(NC)3)2ஹAgNC)3Ḅ\ᔠ+ᐭ-.GḄ!(Mg(NC)3)2+!ᐜAgNC)3ᡂ⏚*!AgNC)3_!
ᨵ!Cu(NO3)2ᡂ⏚!`abcᑖ᪆fL஺h⚪ᨵ-.jk!lmnoRSḄᓄ3ឋHஹp./Ḅஹqᔠὃ⇋ᔜuE%Ḅvw1xpfLay⚪Ḅᐵ{஺23.ூLᫀ௃2KOH+CO2=K2CO3+H2O〉G᪵+!ᐭGᓄ┛+!☟!⏦P%&⁐P+⁐Pᓄ¡ᑖH¢18⚓!ᐳ21⚓

18ூf᪆௃fᓄ¥ᓄ¦ᡂ¦⏚!Ḅᓄ345612K0H+C0=KCO+H0O22324ᫀ〉G᪵+!ᐭGᓄ┛+!☟!⏦P%&⁐P+⁐Pᓄ¡ᑖH஺ᦑLᫀ72K0H+CO2=K2CO3+ᵯ0;〉G᪵+!ᐭGᓄ┛+!☟!©P%&⁐P+⁐Pᓄ¡ᑖH஺ᓄ¥ᓄ¦ᡂ¦⏚!ᓄ¦⏚+ª1$«ឋ+!ª¬⏦⁐஺¦⏚ᓄ┛ᡂ⁐¦⏚┛ᓄ஺h⚪⌕ὃ¯ᱥHḄឋH!fL±⌕᪷`ᔜuᱥHḄឋH!ᔠᔜ4☢ᩩµbcᑖ᪆ஹᑨ·!¸¹ºExpḄ஺24.ூLᫀ௃f(1)⏚½¾¿À⏚ÁᡂÀ⏚Â⏚Á!⏚ÁÃᓄÁᩭ'Å1ᩖHÇ!ᦑ(ᵨBa(NC>3)2ÌÍBaCLᳮᵫ1¿ÑᐭÒḄᩖHÓÔNO6ᡈ¿ᡂÒᩖHNaN()3)P(2)ᐭFGḄᓄÂ+Ö×◀ÙÀ⏚Á!ᐭFGḄᓄÁ+Ö×◀Ùᓄ╅,ᐭFGḄ¦⏚Á+Ö×◀Ùᓄ┛FGḄᓄÂ!¦⏚Áᓄ┛ᡂ¦⏚┛ᓄÁ!¦⏚ÁᓄÂᡂ¦⏚ÂᓄÁ!ᡠ×ÛFÜÝaᡠºÞC)ᨵ¦⏚᪷ÓÔḄᱥHᨵ¦⏚┛¦⏚Â!ᓄ36ᑖß7CaCO,BaCOP33ᙠ⏚ḄÝᵨ1ᓄÁஹ¦⏚Á!¸¹áFGḄᓄÁஹ¦⏚Á◀Ù.(3)â5ᡂ-uj+ឋ«Ḅ1ᓄ╅ᓄÁᡂᓄ╅ᓄÁ!ᓄ34567MgCk+2NaOH=Mg(OH)I+2NaClP2ᦑLᫀ7(1)¿ÑᐭÒḄᩖHÓÔNO6ᡈ¿ᡂÒᩖHNaNC)3)(2)CaCO>BaCO;33(3)MgCl+2NaOH=Mg(0H)I+2NaCL22

19åf᪆௃(1)Ö׸æᑖfḄçᳮ×èᐭḄᱥHÑᐭḄÓÔékᑖ᪆.(2)ᐭFGḄᓄÂ+Ö×◀ÙÀ⏚Á!ᐭFGḄᓄÁ+Ö×◀Ùᓄ╅,ᐭFGḄ¦⏚Á+Ö×◀Ùᓄ┛FGḄᓄᵯ¾P(3)᪷`ᓄ3çᳮêᑏᓄ3456஺h⚪ὃ¯ÇìíîḄïð!_ᡂa⚪!Ö×ñ`òᨵḄïðbc.ó25.2KMnO—KMnO+MnO+0TDᡈEúᑴḄ/ᡈü42422ýCaCO+2HC1=CaCl+H0+C0TNaCO+2HC1=2NaCl+H0+CO2T3222232þÿ
⏚⏚ᕈឋ஺abdcூ᪆௃(1)Aᨵ"#ᡠ%&'⏚(ᑴ*+,&'⏚(ᙠᩩ/0123ᡂ┶⏚(ஹ7+ᓄ═:+,ᓄ;<=>?@2KMnO—KMnO+MnO+0T»+,L᧕NOPᦈR⌱E,+,VWXY42422,ᶍᜧᦈR⌱D஺(2)]^_`ᵨBᑴ*7+ᓄḄd℉fghᑴ12Ḅi3ᡈkl஺(3)]^_ᵨnᮞnpqr⏚12ᑴ*7+ᓄnᮞns⌕ᡂᑖ⏚┛⏚┛:r⏚123ᡂwᓄ┛ஹP:7+ᓄ஺ᓄ;<=>?CaCO+2HC1=CaCl+H0+322C0T«2জᑖ᪆~?0pH=2,N?wᓄ┛:wᓄ⏚⏚ᐜpr⏚12pwᓄ┛12ᡠ%ABᑁi3r⏚:⏚12BCwᓄ┛p⏚12஺⏚pqr⏚123ᡂwᓄஹP:7+ᓄ12Ḅᓄ;<=>NaCO+2HC1=2NaCl+H0+C0?~CDᓣḄ12
2322⏚⏚ᕈឋ஺(4)◀,P,ᵨ⏚?⏚ᨵᔾPឋ,¡¢£,VWXY,¤ᦈR¢¡ᑣḄ¦§¨©2?i3¦§abdc஺(5)«ᳮ®¯°᣸²CO?Ḅ³?x.¶·ᩩ/C0+2NH—=—CO(NH)+H0232224460x90t44_x60=90t¼20⚓ᐳ21⚓

20x=66t¿ᳮ®¯°᣸²CO266t.ᦑ¿ᫀ?(l)2KMnO—KMnO+MnO+0T;DE42422(2)hᑴ12Ḅi3ᡈkl஺(3)CaCO+2HC1=CaCl+H0+C0TজNa2cO3+2HC1=2NaCl+H0+C0T322222ঝ
⏚⏚ᕈឋ(4)abdcম66t஺(1)᪷ÆAḄᱯg⌱Èᔠ〉ḄËÌᑴ*+,᪷Æᓄ;12ᳮÍᑏᓄ;<=>᪷Æ+,ឋ⌱ÈᦈR஺(2)᪷ÆLÏḄ]^fÐgLÏ¡Ñᑖ᪆(3)ᑖ᪆~?0pH=2,N?wᓄ┛:wᓄ⏚⏚ᐜpr⏚12pwᓄ┛12ᡠ%ABᑁi3r⏚:⏚12BCwᓄ┛p⏚12஺~CDᓣḄ12
⏚⏚ᕈឋ஺(4)◀,P,ᵨ⏚?⏚ᨵᔾPឋ,¡¢£,VWXY,¤ᦈR¢¡஺(5)᪷Æᓄ;<=>%ÒÓÔḄ³ᩭᑖ᪆.Ö⚪ØO]^ÙÚ⚪ÛᔠឋÜÝÞᨵ]^ÙÚßᨵ]^ᦪÆ~áḄᑖ᪆⚪Ḅᐵãᔠᱥ12Ḅåæçèᑖ᪆~éᦪÆêë¿஺