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7(3)ᦈij(u)ijᦈᑮḄᨬ(4)ᵨFij W(“a”ᡈ"b”)ᐭ17.(2022¡)ᓄ3cd0¢£¤3¥¦Ḅ§⌕⌶ª«Ẇ¦ឋ3®¯°±ᑭᵨᑡij¢£´ᐵᑴ|Ḅ¥¦µ¶ᑖ᪆'opq⚪¹(1)a᪗uaḄgᘤwx0o(2)ᵨOº»═⏚¼½ᑴ|'ᦈ¾}⌱ᵨḄij°ᔠ0(ÀÁu)(3)cdeᵨYᓄÂÃhᓄ═ᑴ|Ḅᓄ3456bÄ⌕ÅÆÇÈᨵ¹জÊËijḄÌឋÍঝᦈ'dÏÍঞiᐭÑÒÍট°igᘤÔÕḄÅÆÖ0(ᦪÀu)(4)F0ÌØÙÚᐙÏÜḄᓫ▀ᐙß+ᵨFᦈ¾ßàḄᑣâbஹcäåæç◤¢£Ḅ¾⚗ÅÆ018.(2022ëì)íjḄ╅ï⊤☢ñᨵ¾òᮞô⁐½böB÷íj╅ïøù╅Ḅú÷ᑖᦪû3üý*öþÿ ᱥᳮḄ╅ᵨṺᡭ◀⊤☢Ḅᮞ⁐᪷ᒕ!"#$%╅Ḅᑖᦪᓄ*Ḅ╅+,Ḅ-.⏚01᪷234ᡂ6Ḅ7"#$%╅Ḅᑖᦪ88⚓/<29⚓
8 1@ABC*DᔲFᱥᳮᳮᵫHᡭIJK02LMLNOP6QRSTUVᜧXYZᓄ*[\]ὁ_`a╅+-.⏚01bcdᮞ⁐◀Feᓄ╅fhiᙠklmn⏚╅ூMgCO-Mg OHp+⏚01qr4826dlsᮞHCaOtNaOHḄuᔠᱥwC*32DxOᑡz{K⌱}ᔠ〉Ḅz{z\ জCஹD᪾ᑁᨵ27Ḅᘤ]wᘤHoঝᡂ 1⌱}Ḅz{Z]wঞᔠ t⌱}Ḅz{ᑖ᪆q⌼ᡂ ḄHOA.ᐭ-.⏚,╅ᨵᒕ!B.z{6Qឋ¡C.01¢£ᓽ¥ᦪ19. 2022§w▅¥Oᑡᩞᧇ╅ᙠ«ᯠKᑖ®¯°iᙠ±ᐝᓴs]´⌕ᡂᑖKC1¶m1261120ஹ·╅¸]´⌕ᡂMgCO,¹ºsூ´⌕ᡂᑖCaMg CO3»¸sK¼½K¾¿╅ÀÁÂÃᵯÅᰚÇ32MgC12ᑴ$%╅╅ᓄ*ឋÉÊËÌ+C02ᡈ½ÎÏ01Ð╅»ËÌ$%ḼÒÓ89⚓/<29⚓
9ÏÔᵨC02ᡈ½ᡫᦗ[ÙᵨÚÛÜÒ╅ᔠ$ÝÞß21áâḄã⁐ÁJᩞᧇᙠäåæçÁᐹḄé᪀åRஹëìஹ⁚îÏïஹᢙñò+óô»☢ᐹᨵõö÷ᜧ1ᵨ±«\øùḄᑴ⌼╅ᐗûüýᏉÿᨵḼ⌕ᵨḄ⁚Ḅ⁚ᐶᨵᑭḄ—!"⊈$ஹ■'(ᾭ*ᓄ-./╅1234ḱ᧿ஹ378ஹ99:;<=>?@A;ᑡC⚪EF1H;ᑡIᱥḄK⌕ᡂᑖNO╅ᐗQḄRFT᪗VHA.Y╅IB.[\]C.ᐝᓴ]D.bcIF2H╅ᙠCO?hijkᡂlᓄ╅mno⁐ᓫrstuḄᓄvwxyzoF3H╅ᔠ~ᙠᐹḄ᪀ஹ⁚1ஹᢙ=w☢ᐹᨵ,ᵨᑴ⌼F4H-./╅1234FT᪗VH=>?A.ḱ᧿B.!C.378D.9:;100ᨒIttff2A.ÛÍÐzÜ⁐ᑣÍÎmᡂÞß1ᨵ4nB.ÛÍÎmhᨵà⁐á.ᑣÍÐnhÜÓÕâḄ~¸ËãᨵänC.Û¾$1¾$2håÐᙳzÜ⁐ÍÐnzç⁐ᑣᑨé3MgஹZnஹCuஹAgḄêឋD.¾$1¾$2hḄtuÂ'ÃᡠÅá.r¦ìmâNᜧÍÎmḄr¦20. 2022ïHAgN03ᵨᑴᵯñòᱏ=ôᐝᩞᧇ´ᔡ¶vᙠὁùᢣ;ûüº»AgNOá.ᑖýḄªᱥ·þÿ3ூ▅ᧇজAg2ḄAgᙳ⁐ঝ2NO?+2NaOH=NaNO+NaNO+HO332ঞAg2Ag0⏚ᡂAgN03ᵨ02টAg!3Ag4HNO =3AgNONOT+2HO+33+2ூ"#$%&〉(ḄAgN03)*+,-./01⁐2⁐301⁐2456(NaOH78.ᨵ:⁐2ᒕ<.ᵨ=>?ḄᩈᩩB#C:⁐2.DEᑮᩈᩩGH,ᑣC:⁐2ḄᓄLMOூOPQ⚪⁐STUVூWXᎷZWX[\ᨵAgWX]\ᨵ.WX_ᨵAgஹAg02ூ"#aᫀ"#cd"#ef"#ghi11⚓/l29⚓
11&〉(⁐.,ᐭ6(______op[q)ᑺs.t₩WX[ᡂvூ"#wxy⏚ᙠᐝ᯿ᩩ}~ᑖḄ2/ᱥAgN03ᑖḄ2/ᱥ.ᑣy⏚ᙠᐝ᯿ᩩ}~ᑖḄᓄLaM.ூ"#ᙠ"#+.AgN03ஹy⏚ᐝஹ-᧕ᑖḄᱥ.ᙠop“1”ᡈ“:”s⁐)ᑺ+21.o2022ᓭ4s]ᓄ═ᵨ¡¢ᜓᐵ¥¦Ẇ¨©ª«ᵨ~¬®45ᯏ°MnC03A2MnCO+O,=2CO,+2MnO,3ᑴ&Mn02.,ḄᓄLaMo1s"#5+.µ¶*ᑁᒕ<Ḅ(ᡂᑖ¸¹ºḄ»ᓄ½¬ᡠ¿.ᑣᯏ°MnC03ᑴ&Mn02CÀᑴḄ¹º!Á°Coo2sÄ,-ᑮ300—900°CÇ.ÈḄᓄᱥÉᑖ/[qÊ2.C2___________opᓄLMsOo3s)᪷ÍᓄLaMÎ46.0gMnC0345ᰚ°ᨬÓᑴÔḄMnOzḄ(SÓÖVo×ᑏPÙÚ5so4sÄÛ¹ºÀᑴᙠ900C,ᐙᑖ8*ᑁᒕ<Ḅ(g-22.o2022Þßs"▭/Ḅáâ/ã+ääÉåᨵÖ(Ḅæᓄç.ᓄL"詪ḄL45"#ᩭêë¦ãìíîãáâḄᢣ᪗ñi12⚓/l29⚓
12òó᪗ôõëíîãáâᢣ᪗ñᢣ᪗ᢣ᪗⚗÷IIImøã[ãøãᔠúãlâ((üᵯÙ)ÿ 99.298.899.198.0ᡂᕒḄᨵᐵᦪᡠᐭ100gᑖᦪḄ⏚)*)ᐙᑖ"#+,-.21.4g$%&'(112.6g/⛳12⁐1(1)456)*)+7-1Ḅ8Ḅ9(2):4;<ᑨ>?&@$%&'(ABCᢣ᪗FG(ᑏJ;<45KLMᦪNOPQᐭRSᑮ0.1%)U13⚓/X29⚓
13Zᫀ1.^2022ᱝbcdᑡfghḄijkSḄ9A.mnopqᑮrᯖtuḄvᕡB.yzᙠ|v6nr}~⁐ᯚC.:ᵯᑖ~ᡂvvD.ᔣᱥḄᔠᱥ6ᐭᑺK₩K☟/ᑖD2.^2022d202K45g¡ᓄ£ᙳᑖᡂQ¥K¦§ᐭ¨ᨵ100gḄr©6Kᐙᑖᦪ⊤«ᑡᑖ᪆kSḄ9^d±²জঝঞটঠ¡ᓄ£/g9182736451/g109118127136136A.ঞᡠ®1ḄᑖᦪᨬᜧB.টᡠ®19¡ᓄ£Ḅ/⛳1C.20¼K¡ᓄ£Ḅ½¾36g/100gD.জᡠ®1¿À50gKÁᓾᑮ20¼K1Ãᑮ⛳C3.^2022ÄÅd¾ÆÇÈஹÊஹXÌÍÎAḄÏÐឋKÒÓÔÕÖᑣÌÍÎAḄÏÐឋᵫÙᑮÚḄÛ±9U14⚓/X29⚓
14X—X—ÜÝ1.1 ⏚2⏚3⏚gh}~vÞ2ßàghXá⊤☢᪆Jã⁐äåA.ÊஹXஹÈB.XஹÊஹÈC.ÊஹÈஹXD.ÈஹXஹÊA4.(2022ᓅç)ᵨᡠêënᱥnrḄᩩíîï«ðñãñḄḼKmᑖó¾409ஹ240¼(1)ÈᱏõḄðñnröãñ/nrK÷ßënᱥnrḄᩩíø9(2)ùêënᱥnr◤⌕ü2ýþḄgh9(3)ÿ Ḅᵨo(1)ᑮᱥḄḼ(2)ᱏḄ Ḅ(3)◞!5.(2022ᓅ#)ᵨ&'()*+,ᔣ./01ᐭNa2a)334⏚678645ᓛ7⁐m:15⚓/=29⚓
15(1).@ABCḄᓄEFGHIo(2)LMᑮNOPQ⁐SOPQTSOPQTḄUV)NaCO+HSO=Na2sO&+HO+COT(1232422(2)WXᓄYZ BCAᡂY⏚Y⏚\]⁐^_QT6.(2022ᱝde)fᔠ+,hiᵨjᘤlmnᑡp⚪(1)ᵨrstḄjᘤ(uvw)x(2)1yCz(^{|Ḅjᘤ(uvw)x(3)ᵨঝ10mLyᦪᑣ+▭Ḅ(u“ᜧr”“r”ᡈ“r”)10mL.(1)ঞফট(3)r7.(2022᪺)᪷nᑡ+,&lmp⚪(1)+,A!X!Ḅ(u“”ᡈ“”)ᵨᩈ¡¢T(2)+,BjᘤaḄ¥¦x§¨^ᮞ ZC02BCḄᓄEFGHo(3)+,CLMᑮ!ᳫ¬®¯C02Ḅ°±!(u“ᜧ"ᡈ"”)V³:16⚓/=29⚓
16+,hµiᵨᔣ!·ᦈ¹co,2(1)(2)জ.»¼ঝ.Ca(OH)2+C02=CaC0I+H032(3)জ.ᜧঝ.8.(2022½□)¿᪷nᑡ'(&lmp⚪(1)A'(jᘤজḄ¥¦(2)+,hiᵨ1À═⏚ÂᩭᑴᜓX!BCḄᓄEFGH,ᙠᔣ»¼ᑁ'ᐭÉÊËÌCÍᐜ;(3)+,hᑴᜓÐᦈ¹WXᓄYC⌱Ò&Ḅ(uÓÔ)'(ᩭ)*+,2KMnO=K,MnO+MnO,+O,f44(1)⏀Ö×ফজ.ঝ.ØÙ'(!°ឋ(3)BC9.(2022¯)ᓄEÜÝÞ+IßẠḄáEfᔠn&lmp⚪:17⚓/=29⚓
17(1)jᘤaḄ¥¦I.(2)+,hᵨÀ═⏚Âᑴ2,⌱ÒḄ@A'(I(u᪗w)BCḄᓄEFGHI(3)+,hᑴC02ḄᓄEFGHIãäAḄ!åᐭ§¨^ᮞ ᵨrØ,C0,BCḄᓄEFGHI2(4)æ!ḄçèᑖêëI46,inZ!ᡂᑖBCìᵨC'(ᦈ¹y!Cí(u᪗w)îåᐭïð(1)⏀Ö×ফজ.Aঝ.2KMnO,=K2MnO4+MnñòজCaCO+2HCl=CaCl+HO+COtঝ(3)3222CO+Ca(OH)=CaCO1+HO2232(4)m10.(2022ᓅ#)n&ᡠᔣôõöḄ÷õ13ø13ù⏚46ø1ú⁐û⏒ý8⏚9NaOH/ઙ:ᓄ0ᜧᳮᮞ9(1)1ᡠþýḄÿ⁐(2)2ஹ3⌱ᑏḄᓄ»(3)4ஹ5ஹ6Ḅ(!")%⁐(2)CaCO'+ZHClnCaCU+HzO+CO2Tᡈ(1)2HCl+Ca(OH)=CaCl+2HO222(3)4ஹ5ᡈ5ஹ4(18⚓/+29⚓
1811.(2022ᓅ0)ᵨ23ᡠ56◅Ẇ9:;Ḅឋ=(1)জᨵ@AᡂᡂḄ@A»(2)ঞḄᓄ(3)2ᑡ6FGᔠIJKஹLஹMḄ:;NOឋP!Ḅ(!")A.জটB.ঞটC.জঝ©(1)W@(ᡈ)ফFe+CuSO=FeSO+CuবBC4412.(2022Z□)\]^_(1)`abcஹdeஹᔾ▬ஹhijkᓄ\Ḅlmn`kᓄoᨬqḄ;(2)23ᵯt\Ḅ5u33vᵯwxnzḄ{|ᑁᦈᑮḄ@A;(GEEFml黑B--T^7-■)+(3)Nᡃᵨ______ᑖ\\(4)\_Ḅ2ᑡ■\AḄḄᨵ(!")জᜧ¢£ᵨ¤¥¦⊟¨ঝ©ª«Ἥ£ᵨ©®ᓄ¯(19⚓/+29⚓
19ঞN\ᜐᳮ³᪗µ¶¸ট¹ª«ᵨºᢈ¼ஹº¹½¾¿ᱥḄÁ(1)hᏕ(2)W@ᡈᵨ(3)¯Ḃ\(4)ঞটᡈট@13.(2022ᓅ0)᪷Æ23ᡠ56FtÇÈ⚪(1)AÊᘤaḄÍÎ;KMnO4ᑖtḄᓄ(2)BKÓÔÕᡂḄÖ⁐×A(3)Cᵯt\Ḅᓄ;ØÙÚµᐵÜᵯ_ÝÞßàḄᩈᩩ¸ᙠbåᜐᡭçNèéêᑮ,ìᨵ2ᡂAí2KMnO=K,MnO+MnO+OT4422(1)জ.{|ঝ.(2)îïᓄðKᡈFe3()4óᵯôô2HO^2Ht+OT222(3)জ..ঝ.ÞßàḄᩈᩩõÔ14.(2022ᱝ÷ø)236Fùᑴû@AḄüᑖýþÿ ᐵ⚪20⚓/29⚓
20জab(1)ᘤজḄ.(2)ᵨ═⏚ᑴ⌱!A"#$%&◤⌕⊡ᐙḄ+,ᵨ-./Ḅᓄ12345;⌕ᦈ895:;Ḅ/⌱!Ḅᦈ8%&(=>?)ABCDḄᩈFGᐭIJḄ8KL5MNᑮPQḄ+,RSGᐭL/TU»(3)+,WᑴXYᓄZ⌱ᵨḄ#$%&(=>?)./Ḅᓄ12345A[ᵨF%&ᦈ8YᓄZ\/](=“a”ᡈ"b”)_`ᐭ(1)a⚠cᧅA,2KMnO=KMnO+MnO+0t42422(2)জ.efঝ.'Cট.ᵫKkᔣmn᠒Gᐭবজ.BCaCO2HCl=CaClHOCOTঞr3+2+2+215.(2022ᱝtu)ᐶwxyz{+,%&|ᡂ~mᐶw+,(%&ឋ) mᑡ⚪21⚓/29⚓
2111%&ᵨᵯDCḄᑏᩩA8KḄ◀~ᔾᦈᓄYḄ"ᵨᨵ"ᵨ22%&X〉¡¢ᓄ£¤¥%ᐭᳫᢴ¨©ª«ᐵ¬,Bᳫ¯¯ḄᝅᙠᐙJ²³ḄYᓄZ\Ḅᔾ´Kµஹᐵ¬·,ᡭ¹Ki¼¢ᓄ£¤¥᎔ᐭKª«µm¾₩MNᑮᳫÀᔾᐭKᑁª«ÃÄRÅRSḄÆÇᵨᓄ1234⊤ÉᵨÊË᥎KÍÎÏÐÊÑÒᐸÆÇoᡭ¹ᵯ,ÕᑴTÖᘤ⌲ØÙᐭÚÛ⏚Ü|ᐰ./ᐵ¬ᵯ,ÅÞ3MNᑮḄRS01জ.ßxàáᡈ■ãäåæঝ.èᡂéê■ã\⍎ফজ.2NaOH+CC2=Na2c3+ö°ঝ,./øD¡ঞ.Kù$ᜧ¡ûᳫü]Kᑁýþÿ16.2022ᵨᘤḄ᪷⚪⚪ABCDEF1ᑏ)᪗+জḄᘤ-.2ᵨ/0120ᓄ═ᑴ607Ḅᓄ89:;<⌱ᵨḄ>?@A+3ᦈDE@A+ᦈDᑮḄ07ᨬHI4KᵨFLM077NOPQR@“a”ᡈ"b”YZᐭ1ᑖ]^ᧅ`22⚓/c29⚓
22MnO,2H,O=^2HO+OT222(2)জ.ঝ.B(3)E(4)a17.(2022ef)ᓄ8hijk8lmḄn⌕⌶qrẆmឋ8uvwxᑭᵨᑡij{ᐵ7Nᑴ6Ḅlm}~ᑖ᪆⚪DEF(1)E᪗+aḄᘤ-.ho(2)Kᵨ═⏚Nᑴ6ᦈDD707<⌱ᵨḄwᔠh(@A+)(3)ᵨ0ᓄ]20ᓄ═ᑴ607Ḅᓄ89:;o⌕ᨵজḄ7ឋঝᦈD7Nঞᐭটwᘤ¡¢Ḅ£Ah(@ᦪA+)(4)Fh¥¦§ᐙ©7Ḅᓫ7▀ᐙ7¬ᵨFᦈD¬®HIḄ07ᑣQ7R°bஹc²³´µ◤ijḄ⚗h.(1)ᑖ]^ᧅ(2)ACᡈAEᡈACᡈAEMnO92HO—2HO+OT2222(3)জ.ঝ.ট®(4)¹ᐙ7¬ᑁḄ©7`23⚓/c29⚓
2318. 2022»¼½Ḅ╅¿⊤☢ÂᨵÃᮞÅ⁐NÇÈɽ╅¿EÊË╅ḄÌÉᑖᦪÍ8ÎÏ)ÇÐÑ9Òᱥᳮ9Ò6ÕÌÉḄ╅¿ᵨṺ×ᡭÙ◀¹⊤☢ḄᮞÅ⁐N᪷ᒕÜNÌÉÝÞÊË╅ḄÌÉᑖᦪᓄ89Ò6ÕÌÉḄ╅¿ßàÉḄáâ⏚ãO᪷Èä?ᡂ7NḄNæÝÞÊË╅ḄÌÉᑖᦪ 1çèéÍ8ÎᔲÕÇᱥᳮ9ÒᳮᵫhᡭÙ:EO2ìí7îïðñòᜧôõᓄ89Ò