Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Fevral 16, 2023 191 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 6 0% 1 123456789101112131415161718192021222324252627282930313233343536373839 OMAD YOR BO'LSIN! Kimyo fanidan attestatsiya savollari №14 2022-yil 14-aprelda tushgan savollar 1 / 39 1. Kremniyning qutbli kovalent bog’lanishli birikmalarini toping. 1) SiCl4 2) SiBr4 3) SiS2 4) SiO2 5) Mg2Si A) 1,3,4,5 B) 3,5 C) 1,2,3,4 D) 2,3,4,5 2 / 39 2. 13,8 g natriyning suv bilan o’zaro ta’siridan olingan vodoroddan necha litr (n.sh.) vodorod sulfid olish mumkin? A) 4.48 B) 13.44 C) 10.2 D) 6.72 3 / 39 3. Quyidagi elementlardan qaysi binning d- elektronlari soni eng ko'p? A) Mo B) Pt C) Rh D) Pd + 4 / 39 4. Orbitallardagi harakatlana oladigan maksimal elektronlar soni qaysi formula bilan aniqlanadi? A) n² B) 2n² C) 2l + 1 D) 2(21 + 1) 5 / 39 5. Fe2+, Fe3 + va Fe da nechta +1/2 spinli elektronlar bor? A) 14; 14; 14 B) 14; 14; 15 C) 14; 13; 15 D) 15; 15; 15 6 / 39 6. Quyidagi labaratoriya jixozlarining nomini toping. A) Vyurskolbalari B) Gazyig’ishasboblari C) byuretkalar D) sovutkichlar 7 / 39 7. 720 g (p = 1,2 g/ml) 0,3M li sulfat kislota eritmasi bilan 200 ml 0,6M li X eritmasi to‘liq reaksiyaga kirishdi. X ni toping. A) Al(OH)3 B) KOH C) NH3 D) Ca(OH)2 8 / 39 8. H2S + O2 → SO2 + H2O ushbu reaksiyadagi vodo-rod sulfidning konsentratsiyasi to‘rt marta oshirilib, kislorodning kislorodning konsentrasiyasi 2 marta kamaytirilsa, to‘g‘ri reaksiyaning tezligi necha marta ortadi? A) 4 B) 3 C) 8 D) 2 9 / 39 9. Chumoli kislota va sirka kislota orasidagi bog’ni farqini toping? A) 3 ta farq B) to’g’ri javab yo’q C) 2ta farq D) farq yo'q 10 / 39 10. Gips tarkibidagi atomlar soni 60,48 g nitrat kislotadagi molekulalar soniga teng bo‘lsa, gips massasini (g) aniqlang. A) 10,88 B) 13,76 C) 165,12 D) 2,75 11 / 39 11. Qaysi qatorda gazlarning zichligi ( g/ln.sh) ortib boradi. A) vodorod, kislorod, is gazi B) metan, ammiak, vodorod sulfid C) argon, etilen, neon D) kislorod, ozon, vodorod 12 / 39 12. Nitrobenzolga 4 g vodorod ta’sir ettirilganda hosil bo‘lgan organik modda massasini toping? A) 54 gr B) 92 gr C) 76 gr D) 62 gr 13 / 39 13. CnH2n+2 → CmH2m+2 + CkH2k formula uglevodorodlar krekingiga taalluqli bo’lib n=6 ga teng bo’lganda m va k ning qiymatlarini toping? A) 1)m=5,k=3 2)m=3,k=2 3)m=2,k=4 4)m=1,k=5 B) 1)m=4,k=2 2)m=3,k=3 3)m=2,k=4 4)m=1,k=5: C) 1)m=4,k=2 2)m=3,k=3 3)m=2,k=4 4)m=2,k=6: D) 1)m=4,k=2 2)m=2,k=1 3)m=2,k=4 4)m=1,k=5: 14 / 39 14. Oksidlanish-qaytarilish reaksiya tenglamasi va koeffitsientlar yig’indisini toping? Cu2S + HNO3→ A) 2Cu2S+21HNO3---6Cu(NO3)2+2H2SO4+10NO+7H2O: B) 3Cu2S+22HNO3---6Cu(NO3)2+3H2SO4+10N2O5+8H2O: C) 3Cu2S+22HNO3---6Cu(NO3)2+3H2SO4+10NO2+8H2O: D) 3Cu2S+22HNO3---6Cu(NO3)2+3H2SO4+10NO+8H2O: 15 / 39 15. 0.02 mol miqdordagi etilen gidrogenlash uchun qanday hajmdagi l (n.sh) H2 kerak bo’ladi? A) 0,448 l: B) 33,6 l C) 22,4 l: D) 44,8 l 16 / 39 16. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -4 B) -5 C) -10 D) -8 17 / 39 17. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 32 B) 23 C) 64 D) 46 18 / 39 18. 2 M li H2SO3 ni normalligini hisoblang A) 0.2 B) 4 C) 2 D) 0.4 19 / 39 19. 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) 9A D) 10A: 20 / 39 20. 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) 480:00:00 B) 180 C) 450:00:00 D) 360:00:00 21 / 39 21. Glukoza vodorod bilan tasirlashganda uning aldegid guruhi qaytariladi va qanday moddalar hosil bo’ladi? A) C6H12O6+2H2---C6H14O9(sorbent 6 atomli spirt): B) C6H12O6+H2---C6H14O8(sorbent 6 atomli spirt): C) C6H12O6+H2---C6H15O7(sorbent 6 atomli spirt): D) C6H12O6+H2---C6H14O7(sorbent 6 atomli spirt): 22 / 39 22. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 98 B) 196 C) 9.8 D) 19.6 23 / 39 23. 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) 480:00:00 B) 450:00:00 C) 360:00:00 D) 180 24 / 39 24. Etil spirit formulasini toping? A) C2H5OH: B) C3H7OH C) C4H9OH D) CH3OH 25 / 39 25. Cr2(SO4)3 ekvivalenti? A) 130.33 B) 392 C) 65.33 D) 104 26 / 39 26. 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) 146,8 g C) 156,8 g: D) 136,8 g: 27 / 39 27. Quyidagilarni qaysi biri litiy bilan xona haroratida reaksiyaga kirishadi? A) NO B) S C) HNO3 D) N2: 28 / 39 28. Anioni bo’yicha gidrolizlangan tuzlarni toping. A) K2SO4,Na2CO3 B) Na2CO3 ,K2SO3: C) Na2SO4,K2SO3 D) CaSO4,K2SO4: 29 / 39 29. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 9;3 B) 2;3 C) 2;4 D) 4,5;1 30 / 39 30. MnO2......... A) Suvda erimaydigan yashil tusli kukun B) Qora tusli qattiq modda C) Kulrang qoramtir tusli qattiq modda 31 / 39 31. Argentit formula? A) Cu2S B) AgNO3 C) Ag2S D) AgSO4 32 / 39 32. Sorbit haqida malumot bering. A) 2C6H12O6+H2---2C6H14O5: B) C6H12O6+H2---C6H14O6: C) C6H12O6+2H2---C6H16O6 D) C6H12O6+H2---C6H14O6: 33 / 39 33. 300 kPa bosimda harorat 27oC ga teng bo’lgan sharoitda 33,24 litr H2 tarkibidagi molekulalar sonini toping? A) 2*Na B) 4*Na: C) 3*Na D) 8*Na 34 / 39 34. 0,2 mol fenol brom bilan reaksiyaga kirishganda reaksiyadan sòng 48,6 gr galogenvodorod hosil bòlgan bòlsa fenol halqasidagi vodorod bilan òrin almashgan atomlar miqdorini toping A) 3 ta B) 2 ta C) 6 ta D) 1 ta 35 / 39 35. Neonga nisbatan zichligi 3 ga teng bo’lgan gazning, geliyga nisbatan zichligini toping? A) 7.5: B) 15:00 C) 45 D) 30:00:00 36 / 39 36. Oltin nimaga zanglamaydi? A) I-guruh elementi bo'lgani uchun B) Passiv: C) Aktiv D) Qimmatligi uchun 37 / 39 37. Zn + H2SO4 → ZnSO4 + H2S + S + SO2+ H2O reaksiya uchun 65 gr rux olingan bo’lsa necha litr vodorod sulfid gazi ajraladi? A) 2,8 l: B) 11.2 l C) 5.6 l: D) 28 l: 38 / 39 38. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 56 B) 53.33 C) 112 D) 58.33 39 / 39 39. 0.1 mol xromli temirtosh koks bilan qaytarilganda necha gram xrom va temir aralashmasi olinadi? A) 64 g: B) 32 g: C) 8 g: D) 16 g: 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
