Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Fevral 16, 2023 171 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 6 0% 0 123456789101112131415161718192021222324252627282930313233343536373839 OMAD YOR BO'LSIN! Kimyo fanidan attestatsiya savollari №14 2022-yil 14-aprelda tushgan savollar 1 / 39 1. Grafikka asoslanib 2SO2 (g) + O2 (g) = 2SO3 (g) reaksiyasining dastlabki tezligini (mol/l∙sek) aniqlang. (k = 0,8) A) 125 B) 75 C) 100 D) 150 2 / 39 2. Qaysi moddaning suvli eritmasiga soda qo’shilganda gidroliz susayadi? A) Al2(SO4)3 B) K2S C) FeBr3 D) CrCl3 3 / 39 3. Uchinchi eletron pag'onasida 14 ta electron bo’lmagan atom va ionlarni tanlang? 1) Co⁺³ 2) Cr 3) Fe⁺² 4) Ni⁺³ 5) Fe A) 2,4 B) 1,3,4 C) 1,3,5 D) 2,5 4 / 39 4. Orbitallardagi harakatlana oladigan maksimal elektronlar soni qaysi formula bilan aniqlanadi? A) n² B) 2(21 + 1) C) 2l + 1 D) 2n² 5 / 39 5. 200 gr mis rudasi tarkibida 40% CuSO₄ bo’lsa ruda tarkibidagi misning massasnini aniqlang A) 12 B) 32 C) 64 D) 16 6 / 39 6. Ushbu ...3s23p63d14s0 elektron konfigu-ratsiya qaysi elementning E4+ ioniga tegishli? A) Fe B) Cr C) Co D) V 7 / 39 7. Is gazi va karbonat angidriddan iborat gazlar aralashmasida jami kislorod atomlarining massa ulushi 64% bo‘lsa, is gazining massa ulushini (%) hisoblang. A) 40 B) 60 C) 44 D) 56 8 / 39 8. Qaysi binar birikmada har ikki elementning elektiron konfuguratsiyasi 1s2 2s22p6 ko’rinishida bo’ladi A) AlF3 B) PH3 C) NH3 D) CaCL2 9 / 39 9. Atseton bilan propan kislota o’zaro qanday izomer hisoblanadi? A) tuzilish izomeriya B) fazoviy izomeriya C) sinflararo izomeriya D) to’g’ri javab yo’q 10 / 39 10. Azot va noma’lum uglevodoroddan iborat aralashmaning 760 mmHg va 60°C dagi zichligi 0,824 g/litr bo‘lsa, uglevodorodni aniqlang. A) CH 4 B) C 2 H 2 C) C 3 H 8 D) C 2 H 4 11 / 39 11. x % li va (x+20)% li eritmalardan foydalanib necha foizli eritma tayyorlash mumkin emas? A) x+20 B) x+15 C) x+10 D) x+5 12 / 39 12. Sellyulozani qaysi birikmasidan portlovchi modda olinadi? A) trinitrosellyuloza B) dixlorsirka C) tetradixromat D) Trixlorsirka 13 / 39 13. Qaysi olim sikloalkanni digaloid birikmalarga rux tasir ettirib oldi. A) M. Bertlo B) A.V. Kolbe: C) G.G. Gustavson: D) V.V. Markovnikov 14 / 39 14. Etil spirit formulasini toping? A) CH3OH B) C3H7OH C) C4H9OH D) C2H5OH: 15 / 39 15. Geterozanjirli polimerlar nomlarini aytib bering? A) Kislorodli polimerlar B) O, S,N element organik polimerlar: C) Oltingugurtli polimerlar D) Element organik polimerlar: 16 / 39 16. Maltoza va saxarozaning 171 gr aralashmasi gidroliz qilinganda hosil bo’lgan moddadan Ag2O o’tkazilganda 194,6 gr cho’kma hosil bo’lsa, aralashmadagi maltozaning massasini toping. A) 136,6 g B) 156,8 g: C) 136,8 g: D) 146,8 g 17 / 39 17. Unum 80% bo’lganda 150 gr nitroetandan qancha massada amin olish mumkin? A) 144 g: B) 18 g C) 72 g: D) 36 g 18 / 39 18. Glukozani A.M. Butlerov usuli bo’yicha olinishida tarkibida 90 ta sp2 gibrid orbital tutgan reagent sarflandi. Hosil bo’lgan monosaxarid massasini gramda aniqlang? A) 450:00:00 B) 360:00:00 C) 180 D) 480:00:00 19 / 39 19. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 2;3 B) 9;3 C) 4,5;1 D) 2;4 20 / 39 20. Sintez gazi formulasi A) H2O B) 2H2+O2 C) CH4 D) CO+2H2 21 / 39 21. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 46 B) 32 C) 23 D) 64 22 / 39 22. Neonga nisbatan zichligi 3 ga teng bo’lgan gazning, geliyga nisbatan zichligini toping? A) 7.5: B) 45 C) 15:00 D) 30:00:00 23 / 39 23. 2 mol 1.5 dibrom pentanni siklopentanga almashtirish uchun necha gram rux kerak? A) 104 g B) 130 g: C) 150 g D) 65 g: 24 / 39 24. 500 gr 23% K2CO3 eritmasidan necha amper tok o’tganda 4825 min davomida K2CO3 ning massa ulushi 50% ga teng bo’ladi. A) 12A B) 5A C) 10A: D) 9A 25 / 39 25. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 19300 B) 27400 C) 96500 D) 400 26 / 39 26. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 4.48 B) 6.72 C) 2.24 D) 8.96 27 / 39 27. 300 kPa bosimda harorat 27oC ga teng bo’lgan sharoitda 33,24 litr H2 tarkibidagi molekulalar sonini toping? A) 4*Na: B) 3*Na C) 8*Na D) 2*Na 28 / 39 28. Neonga nisbatan zichligi 3 ga teng bo’lgan gazning, geliyga nisbatan zichligini toping? A) 7.5: B) 15:00 C) 30:00:00 D) 45 29 / 39 29. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 58.33 B) 53.33 C) 56 D) 112 30 / 39 30. 134.4 gr metal HCl bilan reaksiyaga kirishganda 11.2 gr H2 ajralib chiqdi.Reaksiyaga kirishgan metallmi aniqlang. A) Fe: B) Al: C) Ca D) Mg: 31 / 39 31. Argentit formula? A) AgSO4 B) Ag2S C) Cu2S D) AgNO3 32 / 39 32. Glukoza vodorod bilan tasirlashganda uning aldegid guruhi qaytariladi va qanday moddalar hosil bo’ladi? A) C6H12O6+H2---C6H14O7(sorbent 6 atomli spirt): B) C6H12O6+H2---C6H15O7(sorbent 6 atomli spirt): C) C6H12O6+2H2---C6H14O9(sorbent 6 atomli spirt): D) C6H12O6+H2---C6H14O8(sorbent 6 atomli spirt): 33 / 39 33. Geterozanjirli polimerlar nomlarini aytib bering? A) Oltingugurtli polimerlar B) Element organik polimerlar: C) Kislorodli polimerlar D) O, S,N element organik polimerlar: 34 / 39 34. Qaysi moddaning dissotsiyalanish darajasi eng yuqori? A) xlorsirka kislota B) sirka kislota: C) dixlorsirka kislota D) trixlorsirka kislota: 35 / 39 35. Oltin nimaga zanglamaydi? A) I-guruh elementi bo'lgani uchun B) Aktiv C) Passiv: D) Qimmatligi uchun 36 / 39 36. MnO......... A) Yashil moysimon suyuqlik B) Suvda erimaydigan yashil tusli kukun C) Kulrang qoramtir tusli qattiq modda 37 / 39 37. 300 kPa bosimda harorat 27oC ga teng bo’lgan sharoitda 33,24 litr H2 tarkibidagi molekulalar sonini toping? A) 3*Na B) 8*Na C) 4*Na: D) 2*Na 38 / 39 38. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -5 B) -4 C) -10 D) -8 39 / 39 39. Silan va metan aralashmasining geliyga nisbatan zichligi 7 ga teng bo’lsa, aralashmadagi silanning hajmiy ulushini (%) da aniqlang? A) 66.7: B) 75:00:00 C) 33.3: D) 25:00:00 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
