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Yangilangan May 2026

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ma’ruf tongotarov | kimyo2026 milliy sertifikat 1 1-variant _______________________________________ 1. quyidagilarni jism va moddaga ajratsak, ulardan nechtasi modda bo‘ladi? spirt, oltin, kumush tanga, suv a) 1 b) 2 c) 3 d) 4 2. 1 mol xo va 2 mol xo2 aralashmasining massasi 122 g bo‘lsa, x elementning molyar massasini (g/mol) aniqlang. a) 12 b) 14 c) 24 d) 28 3. qaysi qatorda elektronlari soni farqli bo‘lgan ionlar berilgan? a) na+ va mg2+ b) k+ va ca2+ c) ca2+ va s2- d) al3+ va cl- 4. quyidagilarni moslang. a) k2l8m4; b) k2l8m8n1; c) k2l8m8; d) k2l8m8n18o2. 1) na; 2) br-; 3) s2-; 4) si; 5) k; 6) sr. a) a – 1, b – 5, c – 3, d – 6 b) a – 4, b – 1, c – 3, d – 2 c) a – 4, b – 5, c – 2, d – 6 d) a – 4, …

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atom- lar soni 2 marta kamayadi? a) 162 b) 171 c) 180 d) 189 10. 54 g suvda qanday massadagi (g) litiy gidroksid digidrati eritilganda 10% li litiy gidroksid eritmasi hosil bo‘ladi? a) 18 b) 30 c) 36 d) 60 11. febr3 va na2so4·nh2o 37:10 massa nis- batda aralashtirib, suvda eritilganda kation- larning molyar konsentratsiyalari tenglash- gan bo‘lsa, n ning qiymatini aniqlang. a) 1 b) 2 c) 3 d) 4 12. nacro2 + br2 + naoh → na2cro4 + nabr + h2o reaksiyaning o‘ng tomonidagi koeffitsiyentlar yig‘indisini toping. a) 11 b) 12 c) 13 d) 14 t .1 a+ 2 b 1 c sbz 5 o yabyooyo bz g=ĸle frxvdo 0,82o-3 -14,4 s.p 1-q,b; p =-1,2705-1,5 o 2-1.,5-3mol(ox) laelb jc de o o t-x dlzyyfyztoe. o ĸm-deyyoyk-b f. t ol o lafn=4of.f.1=4od-1 to nochofff-zbor-go nlum) =1.-3+20.3-63moen 63:2-31.5 molatompoladi . o ma-ztov-lyad 31 ffd5mol-m=1 1yuyіon-gkomm-si+3b-60 24-10f-4o%ow = sf o zid-fexvofozo--bu cho …

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orini (mol) hisoblang. a) 2,1 b) 2,2 c) 2,3 d) 2,4 18. o‘tkir hidli rangsiz a gaz va palag‘da tuxum hidli b gazning o‘zaro reaksiyasida sariq rangli oddiy modda va suv hosil bo‘- ladi. a va b gaz formulasini ko‘rsating. a) o2 va h2s b) nh3 va h2s c) so2 va h2s d) co2 va h2s .3. 198.0.1-19,88gi (no3)2 tv.ff t-v.o t.m r 1su((o,):-91a0,50:+2nl/0z . o 1ff8 dod pd 12,6:9.1-1268cox.e-mot 1vv-126-628 o 62-8-54-aet2l nnsot n.+fbo t -2z4l o dvrozyogdeverto sha mroz vbіchtov d-f kou o iso.+ di +hiorihisou+gnd oztol t=f2.303=-60o 2 h2sou+ polno ,): tlpbsogi+ m =q,2.2tb-558. chtolpbn/0,):"ipbcik+q gnet lf. a b lsq.+2hls935 +21 lo o h gv o r-ltolfyoyyo tinshoz uyyovtomoyotalomesĸo agtov d=abtos uzn +10 hn/oz +4 tn(1031:+ishh4//o3 +31:0 x fox rbbx+bp-zbiele 9 ke(no3),70,5fyo2o volyaĸ-41,23 j uzbxd ff uayagd gixtifepyaen1en(n0,).+9 kbxu ya65d-f 56x+6 bmuzp-zfkbx +b55-52,0 41,5x=16,6 x -9,'z-f2 ma’ruf tongotarov | kimyo2026 milliy sertifikat 4 19. havodan uch marta …

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i. oxirgi aralashmaning o‘rtacha molyar massasini (g/mol) hisoblang. a) 10 b) 20 c) 30 d) 40 22. javob variantlarida a, b, c va d mod- dalarning formulalari berilgan. unga ko‘ra, sxemadagi c modda formulasini aniqlang. a → b → c → d a) c6h6 b) c6h5br c) c6h12 d) c6h12br2 seo 1f. m=2f-z-ya7d1toe aeso,v- nio-52,5 snss,d-nso z-94,5 zieomgnaeneo3 52,5+ $4,5-134 go snz ns-en-sk o fnzltk 2. x x s2ni +szni sazt=g9 x+f=f+b1-2s+r-zu2 x+35-2 - gaech 5 j-v, efbfo x-fgbf imol8l slmol lazfu+ihi7an gtov almolsemol lc 3ni e 2teree3hs imol smol h2=7 ng o - 1.3042-4ch+1g=nozo - 4x 1+241 gg. hic -chi-clk-crl-chi-chi vr o vіa b c a cohizbr ycoh12tcoh6 qcolb -br d ma’ruf tongotarov | kimyo2026 milliy sertifikat 5 23. fenolga fenol gomologi qo‘shilganda ug- lerod atomlari soni 6 marta, vodorod atom- lari soni 8 marta ko‘paydi. bunda kislorod atomlari soni necha marta ko‘paygan? a) 1 b) 2 c) 3 …

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6o +c 30ngo o zslonlio 6.6-36 6.s-4v icof6o,+3ciollluo1 o gi. s5-nvoo zg1614-59-4i sanosnochchta o 3nzs-sgco3672ta fto c 2gb--s"-crrb-tfta sb.o dochtoe unsoon+la yansooma +f,bns o zatoĸ aitoe 3915-2=0,3 8=qn snon+ma etsĸvola+fbn tov dantoe kcizoma+ko snon +yyoouesya-2-l6d) ogtov dfitov . nsofn+gragovsot no-glzo,btovfl ontovdfo ksno +safgov so.+ho+4/8 m sut) =0,2-46 +0,4-32+9,06-30-23,28 lgbtoe 2e. crthenon -entho btolk crl 2n+2on-(n+jko r o 1,25:1.3 gbap sb(n:o)5-=12-5-+19-5= gbіzl elbo 5:6 1,25n +1.25-=1,51 125-9,25n. r pev ma’ruf tongotarov | kimyo2026 milliy sertifikat 6 28. pirrol (c4h5n) molekulasidagi σ- va π- bog‘lar soni yig‘indisini toping. a) 11 b) 12 c) 13 d) 14 29. molekulyar massasi 126 000 u bo‘lgan polipropilen molekulasida nechta gibrid or- bital bor? a) 32 000 b) 34 000 c) 36 000 d) 38 000 30. laboratoriyada kislorod olish uchun qaysi modda ishlatilmaydi? a) mis (ii) oksid b) vodorod peroksid c) bertolle tuzi d) kaliy permanganat 31. yodid va fosfat kislota eritmalarini nima bilan farqlash …

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ma’ruf tongotarov | kimyo2026 milliy sertifikat 1 1-variant _______________________________________ 1. quyidagilarni jism va moddaga ajratsak, ulardan nechtasi modda bo‘ladi? spirt, oltin, kumush tanga, suv a) 1 b) 2 c) 3 d) 4 2. 1 mol xo va 2 mol xo2 aralashmasining massasi 122 g bo‘lsa, x elementning molyar massasini (g/mol) aniqlang. a) 12 b) 14 c) 24 d) 28 3. qaysi qatorda elektronlari soni farqli bo‘lgan ionlar berilgan? a) na+ va mg2+ b) k+ va ca2+ c) ca2+ va s2- d) al3+ va cl- 4. quyidagilarni moslang. a) k2l8m4; b) k2l8m8n1; c) k2l8m8; d) k2l8m8n18o2. 1) na; 2) br-; 3) s2-; 4) si; 5) k; 6) sr. a) a – 1, b – 5, c – 3, d – 6 …

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