Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Fevral 16, 2023 135 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. Ma`lum moddaning nisbiy molekular massasi 28. Shu moddaning haqiqiy massasini ko`rsating. A) 4,648 ·10¯²³ B) 28 m.a.b. C) 28g/mol D) 2,324·10¯²³ 2 / 39 2. 13,8 g natriyning suv bilan o’zaro ta’siridan olingan vodoroddan necha litr (n.sh.) vodorod sulfid olish mumkin? A) 10.2 B) 13.44 C) 6.72 D) 4.48 3 / 39 3. Elektron bulut shaklini qaysi kvant son belgilaydi. A) bosh B) barchasi C) magnit D) orbital 4 / 39 4. Ni3+ ionidagi toq elektronlarning magnit kvant soni yig’indisini toping. A) 3 B) 0 C) 1 D) 2 5 / 39 5. Teng massa nisbatda olingan NO va Ar dan iborat gazlar aralashmasini 1,4 mol necha gr keladi? A) 24 B) 48 C) 32 D) 16 6 / 39 6. Titan va xrom atomlarida 3 d- pog’onachada nechtadan toq elektronlar va bo’sh orbitallar bor? A) titanda – 2,2; xromda – 3,3 B) titanda – 2,3; xromda – 4,1 C) titanda – 2,3; xromda – 5,0 D) titanda – 3,3; xromda – 2,2 7 / 39 7. Metall, kovalent va ion bog‘lanishli moddalar ketma – ketligini toping. A) Ag2S, O3, NaCl B) Сu, HCl, PH3 C) Bе, SO3, CaF2 D) Sn, N2, H3РО4 8 / 39 8. Rasimda qaysi labaratorya usullar keltirilgan. A) 1-dekantatsiya,2-distillash,3-bug’latish, 4-filtirlash B) 1-distillash,2-dekantatsiya,3-bug’latish, 4-filtirlash C) 1-distillash,2-bug’latish,3-dekantatsiya, 4-filtirlash D) 1-dekantatsiya,2-distillash,3-filtillash, 4-bug’latish 9 / 39 9. Qaysi metallarning nitratlari termik parchalanganda metallarni o’zi chiqadi? A) to’g’ri javab yo’q B) H dan o'ngdagi barcha metallar C) H dan chapdagi metallar D) Cu 10 / 39 10. 16 Tarkibida massa jihatdan28% Me 24%S va 48%O bo’lgan moddaning formulasini toping A) Na₂ SO₃ B) Cr₂(SO4 )₃ C) FeSO₄ D) Fe₂(SO₄ )₃ 11 / 39 11. nA(g) +(n+1)B(g) +(n+2)C(g) → ... sistemada bosim 2 marta oshirilganda to‘g‘ri reaksiya tezligi 512 marta ortsa, n ning qiymatini aniqlang. A) 1 B) 2 C) 3 D) 4 12 / 39 12. Reaksiya tezligining temperatura koeffitsienti 3 ga teng. Reaksiya tezligini 81 marta oshirish uchun temperaturani necha gradus ko’tarish kerak? A) 30 B) 50 C) 70 D) 40 13 / 39 13. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 4 B) 3 C) 5 D) 2 14 / 39 14. 2 M li H2SO3 ni normalligini hisoblang A) 2 B) 4 C) 0.2 D) 0.4 15 / 39 15. Quyidagilarni qaysi biri litiy bilan xona haroratida reaksiyaga kirishadi? A) N2: B) NO C) S D) HNO3 16 / 39 16. Etil spirit formulasini toping? A) C4H9OH B) C3H7OH C) CH3OH D) C2H5OH: 17 / 39 17. Anioni bo’yicha gidrolizlangan tuzlarni toping. A) CaSO4,K2SO4: B) Na2CO3 ,K2SO3: C) K2SO4,Na2CO3 D) Na2SO4,K2SO3 18 / 39 18. (H2O)5 zarracha tarkibida nechta vodorod bog’ bor? hisoblash formulasi : (n-1)*2 A) 16 ta: B) 4 ta: C) 32 ta D) 8 ta: 19 / 39 19. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 196 B) 98 C) 19.6 D) 9.8 20 / 39 20. Oksidlanish-qaytarilish reaksiya tenglamasi va koeffitsientlar yig’indisini toping? Cu2S + HNO3→ A) 3Cu2S+22HNO3---6Cu(NO3)2+3H2SO4+10NO+8H2O: B) 2Cu2S+21HNO3---6Cu(NO3)2+2H2SO4+10NO+7H2O: C) 3Cu2S+22HNO3---6Cu(NO3)2+3H2SO4+10NO2+8H2O: D) 3Cu2S+22HNO3---6Cu(NO3)2+3H2SO4+10N2O5+8H2O: 21 / 39 21. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 4;0;0 B) 16;3;0 C) 4;3;0 D) 16;0;0 22 / 39 22. 2 mol 1.5 dibrom pentanni siklopentanga almashtirish uchun necha gram rux kerak? A) 150 g B) 65 g: C) 104 g D) 130 g: 23 / 39 23. 500 gr 23% K2CO3 eritmasidan necha amper tok o’tganda 4825 min davomida K2CO3 ning massa ulushi 50% ga teng bo’ladi. A) 5A B) 9A C) 10A: D) 12A 24 / 39 24. 8% KOH tutgan 700 gr ishqor eritmasi tayyorlash uchun qancha miqdorda K kerak bo’ladi? A) 78:00:00 B) 19.5 C) 58.5 D) 39:00:00 25 / 39 25. 3.36 litr Cl2 sovuq KOH bilan reaksiyaga kirishgandagi hosil bo’lgan tuzlarning massalari ayirmasini toping? A) 2.3 farq B) 2.5 farq: C) 3.6 farq D) 2.4 farq: 26 / 39 26. 2 mol 1.5 dibrom pentanni siklopentanga almashtirish uchun necha gram rux kerak? A) 65 g: B) 104 g C) 150 g D) 130 g: 27 / 39 27. Davriy sistemada Be elementidan At elementi tomon diognal o’tkazilganda, diognaldan yuqori o’ng qismida qaysi elementlar joylashgan? A) Metallmaslar: B) Aktinoidlar C) Lantanoidlar D) Metallar: 28 / 39 28. Propinga suv tasir ettirilsa qanday moddalar hosil bo’ladi? A) CH3COCH2CH3: B) CH3CH2COCH2CH3: C) CH3COCH3: D) C2H5COC3H7 29 / 39 29. Qaysi moddaning dissotsiyalanish darajasi eng yuqori? A) dixlorsirka kislota B) xlorsirka kislota C) trixlorsirka kislota: D) sirka kislota: 30 / 39 30. 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) 136,8 g: D) 156,8 g: 31 / 39 31. 158 gr KMnO4 dan olingan kislorod ozonlandi. Olingan ozon KI eritmasidan òtkazilganda 50,8 gr I2 hosil bòldi. Ozonning hosil bòlish unumini toping A) 80 B) 40 C) 20 D) 60 32 / 39 32. Glukoza vodorod bilan tasirlashganda uning aldegid guruhi qaytariladi va qanday moddalar hosil bo’ladi? A) C6H12O6+H2---C6H15O7(sorbent 6 atomli spirt): B) C6H12O6+H2---C6H14O7(sorbent 6 atomli spirt): C) C6H12O6+H2---C6H14O8(sorbent 6 atomli spirt): D) C6H12O6+2H2---C6H14O9(sorbent 6 atomli spirt): 33 / 39 33. 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) 6 ta B) 2 ta C) 3 ta D) 1 ta 34 / 39 34. Sirka kislotadagi uglerod atomlarining oksidlanish darajalarning yig’indisi nechiga teng? A) +2: B) -3: C) 0:00 D) -2: 35 / 39 35. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 3;4 B) 1;1 C) 2;3 D) 1;2 36 / 39 36. Oltin nimaga zanglamaydi? A) I-guruh elementi bo'lgani uchun B) Qimmatligi uchun C) Passiv: D) Aktiv 37 / 39 37. Qaysi olim sikloalkanni digaloid birikmalarga rux tasir ettirib oldi. A) M. Bertlo B) G.G. Gustavson: C) A.V. Kolbe: D) V.V. Markovnikov 38 / 39 38. Quyidagilarni qaysi biri litiy bilan xona haroratida reaksiyaga kirishadi? A) HNO3 B) NO C) S D) N2: 39 / 39 39. Oltin nimaga zanglamaydi? A) Passiv: B) I-guruh elementi bo'lgani uchun C) Aktiv D) Qimmatligi uchun 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
