m3

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Updated May 2026

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ma’ruf tongotarov | kimyo2026 milliy sertifikat 1 3-variant _______________________________________ 1. fullerenning – c60 absolyut massasini (g) hisoblang (na = 6·1023 mol-1). a) 1,2·10-21 b) 1,2·10-22 c) 1,2·10-23 d) 1,2·10-24 2. x2o3 va xo birikmalaridagi x element- ning massa ulushlari nisbati 9:10 bo‘lsa, x ni toping. a) titan b) xrom c) temir d) molibden 3. x → y + β 2 mol x va y aralashmasida- gi x ning yarmi parchalanib, 0,5 mol betta zarracha hosil qiladi. unga ko‘ra, quyidagi- larning qaysi(lari) to‘g‘ri? 1) dastlabki aralashmada 1 mol x bo‘lgan; 2) oxirgi aralashmada 1,5 mol y bo‘lgan; 3) dastlabki aralashmadan 0,25 mol x ortib qolgan. a) faqat 1 b) 1 va 2 c) faqat 2 d) 2 va 3 4. qo‘rg‘oshin atomida magnit kvant soni +1 bo‘lgan nechta elektron bor? a) 16 b) 17 c) 18 d) 19 5. quyida formulasi berilgan birikma mo- lekulasidagi bog‘larni hosil qilishda qaysi orbital qatnashmagan? …

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d) 50 10. x g suvga 25 g tuz qo‘shilganda tuzning bir qismi erimay qoldi. unga 80 g suv qo‘- shilganda tuz erib, to‘yingan eritma hosil bo‘ldi (s = 20). x ning qiymatini aniqlang. a) 40 b) 45 c) 50 d) 55 11. natriy karbonat va xlorid kislota orasi- dagi reaksiyaning to‘la ionli tenglamasidagi barcha koeffitsiyentlar yig‘indisini aniqlang. a) 11 b) 12 c) 13 d) 14 12. kmno4 + no + h2so4 → mnso4 + hno3 + k2so4 + h2o reaksiyadagi koef- fitsiyentlar yig‘indisini aniqlang. a) 46 b) 47 c) 48 d) 49 1 x2 7 2 h +ib 92c -3,-2,-1,0,+1+2+3,-14,+5 y 1 or -1.22.21: ptv, i2ni, iiotsia) bizx-z gli rs f. x 2+ x 2 -2xy o f 0.2 9g 0 gos gos egos mog-afg-a ga-cholb-fz 62ks(yoee?t o *-0,20"0 a**8 t 1,2-6 a-ga kg-va o f q =9.b goodchvodegodyaiya 8vtvi0)-sbfo- go 8clast -su -100%- mdo o dast-208ei z+vogsiy ox-goft …

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lashma qizdirildi. hosil bo‘lgan aralashma mo‘l miqdor konsentrlan- gan sulfat kislota eritmasida eritilsa, qancha (l; n.sh.) gaz ajraladi? a) 28 b) 33,6 c) 56 d) 67,2 18. qaysi moddalar orasidagi reaksiyada vodorod ajraladi? a) rux va suyultirilgan sulfat kislota b) rux va suyultirilgan nitrat kislota c) rux va konsentrlangan sulfat kislota 13. t(kioz)=36f-fg--tv 2x ttl mgom n2+f.boz o gix-vo (x-lotoe) at(1o11o-1.-lyaod nyo(nef5ol), -360-190-189oxe-ta- o db-yoy?voyyoyl isĸon)-f0b-ch-atov. 2=02mol frvenense eĸeenniy gov-agtoenee o gool-(gtol callismotimtef-moelt oz og f te. xalxixs-gd box+494-32 pvx-zg x -9gb o fgb kab dgbtov nlons tksiso uetov atbtoefeb seus tzfid 9g5tov 20,25mot 1 cu +2 h2so.hcuso .+so24 o 2=2,25 mol at5toehnoz(fons),hl/036ya)e),h [oh-] b) [na+] = [so42-] c) [h+] > [oh-] d) [h+] = [so42-] 32. 4 ta raqamlangan probirkada organik moddalarning rangsiz suvli eritmalari bor. quyidagi ma’lumotlar asosida moddalarni probirka raqami bilan moslang. ● barcha probirkalarga soda qo‘shilganda 1- va 4-propirkalarda gaz ajraladi. ● barcha probirkalarga mis (ii) …

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nat angidrid miqdorini (mol) aniqlang. 35. hosil bo‘lgan suv miqdorini (mol) aniqlang. a) 0,5 b) 1 c) 2 d) 3 e) 4 f) 5 b t yo el gl-ltov znltj zpm+a+3px-b5 gopii-gyaplbv crflen +2+(1,52+0.5104 2 x rbyar zpx 36,5mol 58 nietsi:8'51."86 canflunt o 8 -- 336rx+564-364zp2 3bnlugil-ziya 324-16 xf.b mol fzmol gzmol 1 z02n u2so+zno z5toe 66p-0,5+0,5=6,5 3 zp+0,5-6,5 u toevezmol zpb dbtov ggtol -2 inv -nsonixo pg ma’ruf tongotarov | kimyo2026 milliy sertifikat 8 36. a + b ↔ c + d gomogen reaksiya bo‘yicha reagentlar mol nisbati 3:1 bo‘lganda reak- siya unumi x ga, 7,5:1 bo‘lganda 1,5x ga teng bo‘lsa, x qiymatini aniqlang (t = const). javob: __________________________________________________________________________ 9g a+b-ctd a+b-std dz 1 o o dt b 1 o o g.x.-x tl tx p-1,54 -1,54 +1,5 x+hbx mz-x 1-x x x mt,b-1.5+ 11.54 1,54 1,54 1 xg k =(-x)-(1-xje75-' i","69-1,54) z-chltxg #,5-12,75x +2,25 x2 z t ft5-fk-2,25xe-e,5-12,75x+2,25 x …

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n aralashmasidan 112 litr (n.sh.) sarf- landi. kislorod – ozon aralashmasining o‘rtacha molyar massasini (g/mol) hisoblang. javob: __________________________________________________________________________ zya4 n =???,-5mol. (q.+03)d gtov-te1fgd 1czhy+ 610) 9200.+2k1:0 chtol-fbf - m=52=35 $4-35,l9/tob m--n ma’ruf tongotarov | kimyo2026 milliy sertifikat 12 40. c3h7cho +hcn !⎯⎯⎯⎯⎯⎯⎯# a +2h2o !⎯⎯⎯⎯⎯⎯⎯# b sxema bo‘yicha 270 g aldegiddan 141,6 g b modda hosil bo‘ldi. birinchi reaksiya unumi ikkinchisidan 2 marta katta bo‘lsa, birinchi jarayonda qancha (g) a modda hosil bo‘lgan? javob: __________________________________________________________________________ gred l 0 gn+naĸya szisnonsms3nes f sznasnona+znontiv(sznusĸonavy i sznesnonsoon 5of kof i 2mol z175toe 2x t3.eb-qv-ff-gfed x s,nsno ya s,n+ snonslya szk,snonsoon m-nv m-t mff 3,t5-gl-x=1,2 pbxg=1,2 2=0,16 x-f. ma’ruf tongotarov | kimyo2026 milliy sertifikat 13 41. 79 g sof kaliy permanganat qizdirildi (1-jarayon). olingan qattiq qoldiqni to‘liq eritish uchun 36,5% li xlorid kislota eritmasidan (d = 1,25 g/ml) 256 ml sarflandi (2-jarayon). 1) 1-jarayon unumini (%) aniqlang. 2) 1-jarayonda ajralgan gaz hajmini (l; 2,24 …

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ma’ruf tongotarov | kimyo2026 milliy sertifikat 1 3-variant _______________________________________ 1. fullerenning – c60 absolyut massasini (g) hisoblang (na = 6·1023 mol-1). a) 1,2·10-21 b) 1,2·10-22 c) 1,2·10-23 d) 1,2·10-24 2. x2o3 va xo birikmalaridagi x element- ning massa ulushlari nisbati 9:10 bo‘lsa, x ni toping. a) titan b) xrom c) temir d) molibden 3. x → y + β 2 mol x va y aralashmasida- gi x ning yarmi parchalanib, 0,5 mol betta zarracha hosil qiladi. unga ko‘ra, quyidagi- larning qaysi(lari) to‘g‘ri? 1) dastlabki aralashmada 1 mol x bo‘lgan; 2) oxirgi aralashmada 1,5 mol y bo‘lgan; 3) dastlabki aralashmadan 0,25 mol x ortib qolgan. a) faqat 1 b) 1 va 2 c) faqat 2 d) 2 va 3 4. qo‘rg‘oshin …

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