m2

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Updated May 2026

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ma’ruf tongotarov | kimyo2026 milliy sertifikat 1 2-variant _______________________________________ 1. quyidagilardan nechtasi birikma? suv, ozon, soda, olmos a) 1 b) 2 c) 3 d) 4 2. 32 g metan 2 atm va 0°c da qanday hajmni (litr) egallaydi? a) 22,4 b) 44,8 c) 67,2 d) 89,6 3. 0,05 mol metall namunasida avogadro sonicha elektron bo‘lsa, uni aniqlang. a) natriy b) magniy c) kaliy d) kalsiy 4. oltingugurt atomidagi elektronlarning qo‘zg‘algan holati [ne]3s23p33d1 ko‘rinish- da bo‘ladi. ushbu holatga mos keladigan modda formulasini ko‘rsating. a) so2 b) h2s c) so3 d) s8 5. qaysi qatorda qutbsiz kovalent bog‘lani- shi bo‘lgan birikmalar berilgan? a) pirit, gidrazin, etilen b) oq fosfor, olmos, ozon c) metan, ammiak, fosfin d) vodorod, kislorod, azot 6. asetilen molekulasidagi bog‘larni hosil qilishda qatnashgan orbitallarning necha foizini gibrid bo‘lmagan orbitallar tashkil etadi? a) 20 b) 40 c) 60 d) 80 7. n2(g) + h2(g) → nh3(g) reaksiyadagi azot konsentratsiyasini 4 …

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= 0,4%). a) 10-1 b) 10-2 c) 10-3 d) 10-4 12. vcl2 + kmno4 + hcl → vocl3 + kcl + mncl2 + h2o reaksiyadagi suvning koef- fitsiyentini aniqlang. a) 6 b) 7 c) 8 d) 9 13. 200 g 16% li mis (ii) sulfat eritmasi elek- troliz qilindi. anodda 6,72 litr (n.sh.) gaz ajralgan bo‘lsa, katodda qancha (l; n.sh.) gaz ajralgan? a) 2,24 b) 4,48 c) 6,72 d) 8,96 14. qaysi javobdagi moddalar suvli eritma- da o‘zaro reaksiyaga kirishmaydi? a) khs va h2s b) khs va hcl c) k2s va h2s d) khs va koh szfii =lhz+liz pr 1 o o gsht"2509+ i + i o km tbde-s 2 al g-chx-x *t "2xaf gbx o f. x-f,4 rbvo-bve-ĸo ezof 10.m(tuz)- 25-ya2-ob8 mlsud) -25.9,8-20o 8 sud euz go08-teovvgod 9-5-38 o no nehzs )=-235,0-0,25mol eg5tov afbfoon ih2seyh+-ihs - =f,00-1 o cul 4sj--=80-=-9,001=ll0=z10z 1g. te nb t2 57/&.+3 kl/noi+4ns+t/0d, o +zĸs+zlіysl:++h:0 yo? …

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bor? a) 1 b) 2 c) 3 d) 4 21. izopentanning termik krekinggidan maksimal necha xil alken olish mumkin? (fazoviy izomeriya hisobga olinmasin) ogto l v.s uso.-g00-f16-zgf n f gtoe vo,imol 9za so,mgo-and.ryo ftbosvzvta o ko nodn:+0,b0z v (n.)-0,4 22,4-9,469 15.k ietn(0ad),j-sl/-0,5-10-5 o 4-3-5-15moll l hsosh-s to l +znsou+lki btov dlo 4sklen(or,j +2h2so 2 k2sou+ btoezl5tov tovk=uot 1 h2s0. 72 h z o sm(na-t-dv-5 2t6x 1t.z2x ztyax l o is+6hnoz 91 hsoi +611/0,m+zno e5-378x3-58 eb-ze9x wonnloz eg 100+32x-2e6x zf-sfo. 16x evedvylovo x-0,1449g w /rso,)- -$09850123,4- l00 g1f,6% go. cnv ch 3 c ( 1)n,s-s-sn-sn:-s rv192,2,5 o aily skv evv l 2)h3c-c-ca-ch-ch372,2.4 o cilz crbch 3 l , 3)h,c-sh-s-sh-s/$92,3,3 sbv snz p8/z cl/zl dizs-yon-si-sn-s/v92,3,4 2 l. snz unc-sn-sn.-s1+ sni hzs-ch-sh.-srv 2)hc-ch=ch-crb+ch isng l z a 3) nzs-si +c2n6 l hic =chl2 +c 3hya skv 35hzs-i=shi+chi lf -' dab kb zsyanmoozi(lozi-glomnno 3 gtov kfz dfi 3fb.4e aztoe zo5tov zad-4nloz zneloz +morchngo xogtov …

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dan o‘tkazilganda 8,7 g cho‘kma ajraldi. de- gidratlanish mahsulotlarining mol nisbatini aniqlang. a) 1:1 b) 2:1 c) 3:5 d) 4:3 27. 7,5 g disaxarid gidrolizidan faqat bir xil monosaxarid olindi. olingan monosaxarid qaytarilganda 15 mmol ko‘p atomli spirt o snz soon eyoy?yofon7 onyatov o 2,128 -8=0, 5 cdhiotrkmno, 41 du so .1 d-natoebzo +g +g 5cya66o,+12/nsou+6 k2sou+ gvno go ef 5 sd -ech lo +e +bem pt n 12 mn ĸeyy-yoshffyote chz. chtov v6mol o s21yu.i ct-br1c6h6ox 76c0 z mol--li5mol j 106 h6ox 7 0,5lng l s rngnog chtol- elibmol fsnigo 0,b4=1,51 2 l l -3 ft5:foebx- gb. zilo 8=-0b olbtoe c 2+50hxc2hlu+ h 2o olb zaetovzfottoe 2c:1/50n6yai(c:ns):o+ ho koltoezsni+ĸmioi+4h:0730:h,(00) o qtmol 12mposhngĸon5:2:0,25-fo3mol8=001 2e. pbd dolbtoe lds+ihog285 25 oh1ya = 269:2-134 doltoe dovtoe lm 5+ h 2 tikhs ma’ruf tongotarov | kimyo2026 milliy sertifikat 5 hosil bo‘ldi (η = 25%). monosaxarid molyar massasini (g/mol) aniqlang. a) 125 b) 134 c) …

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kisio,+ co.+thoek2co3 +h2sio31d l l (snsf.o 32czhyao2+ sin6o, ya senlgoi l t mgo l hic -si-srb+/0rbco).0.x 9 dyon eks-sn-skv-tigo odeo n!o0cers ma’ruf tongotarov | kimyo2026 milliy sertifikat 6 33 – 35-test topshiriqlariga mos keluvchi javob variantlarini (a – f) tanlang. 500 ml 1m li natriy karbonat eritmasiga 13,44 litr (n.sh.) vodorod xlorid yuttirildi. 33. ajralgan karbonat angidrid hajmini (l; n.sh.) aniqlang. 34. dastlabki va oxirgi eritmalarning massalari (g) farqini hisoblang. 35. oxirgi eritmadagi barcha tuzlarning massalari (g) yig‘indisini hisoblang. a) 2,24 b) 8,96 c) 12,5 d) 17,5 e) 51,9 f) 68,7 n=cm4-1.0.5-05molto,6moencl a d f xe 5x-f,ch xm=f,4.84-33,68u-9,4 - do6 inaz co , +ihcxnahco,+1ia cl xg=a zab guzab kf 1/=0,1-22,4-2,249 ton gf jnasso, +2 hdv2n/adl+ icq.1 + neox=0,4 j meuce) =0.6.36,5-21.48 moulacl)=9.6.59.5-351m(o.)=0,1.46-4.y m/tuzl) -33,6+35t1-69t8 amle-mo)=21,4-4,4=1t,8 5- ma’ruf tongotarov | kimyo2026 milliy sertifikat 7 36. 364 g 20% li oleumga necha gramm suv qo‘shilsa, 91% li sulfat kislota eritmasi hosil bo‘ladi? …

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ma’ruf tongotarov | kimyo2026 milliy sertifikat 1 2-variant _______________________________________ 1. quyidagilardan nechtasi birikma? suv, ozon, soda, olmos a) 1 b) 2 c) 3 d) 4 2. 32 g metan 2 atm va 0°c da qanday hajmni (litr) egallaydi? a) 22,4 b) 44,8 c) 67,2 d) 89,6 3. 0,05 mol metall namunasida avogadro sonicha elektron bo‘lsa, uni aniqlang. a) natriy b) magniy c) kaliy d) kalsiy 4. oltingugurt atomidagi elektronlarning qo‘zg‘algan holati [ne]3s23p33d1 ko‘rinish- da bo‘ladi. ushbu holatga mos keladigan modda formulasini ko‘rsating. a) so2 b) h2s c) so3 d) s8 5. qaysi qatorda qutbsiz kovalent bog‘lani- shi bo‘lgan birikmalar berilgan? a) pirit, gidrazin, etilen b) oq fosfor, olmos, ozon c) metan, ammiak, fosfin d) vodorod, kislorod, azot 6. asetilen molekulasidagi …

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