Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Fevral 16, 2023 215 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. X− anionidagi elektronlar soni H2SO3 birikma hosil qilgan oltingugurtdagi elektronlar sonidan 3 marta ko’p bo’lsa, X elementni aniqlang. A) C1 B) J C) F D) Br 2 / 39 2. 6,3 g natriy sulfitdan qancha litr (n.sh.) sulfit angidrid olish mumkin? Reaksiya unumi 90 % ga teng. A) 0.4 B) 0.5 C) 0.3 D) 1 3 / 39 3. (H₂O)₉ tarkibli suv molikulasida nechta vodorod bog’ bor? A) 20 B) 18 C) 14 D) 16 4 / 39 4. Vodorod, uglerod, azot, oltingugurt qanday birikmalarda manfiy oksidlanish darajasiga ega? A) idrid, karbid, nitrid, sulfit B) gidrid, karbid, nitrid, sulfid C) gidrid, karbonat, nitrat, sulfat D) gidrat, karbonat, nitrid, sulfid 5 / 39 5. 19,6 gr sulfat kislota tarkibida necha dona O atomi bor? A) 4,816*10²³ B) 32,04*10²³ C) 6,02*10²³ D) 12,04*10²³ 6 / 39 6. Qaysi qator faqat valentligi o’zgaruvchan elementlardan iborat? A) C, Cr, Cu, P, S B) K, C, S, N, P, Fe C) Ca, Cu, C, H, F, O D) Cu, Ba, N, Cl,Br,Cr 7 / 39 7. Ozon (1) va olmos (2) ning kristall panjaralarini aniqlang. a) atom; b) molekular. A) 1–b; 2–a B) 1–a; 2–a C) 1–a; 2–b D) 1–b; 2–b 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) 3 B) 4 C) 8 D) 2 9 / 39 9. Polivinilxloridning struktur zvenosini ko`rsating? A) to’g’ri javab yo’q B) -CH2CH(Cl)- C) -CHCH(Cl)- D) -CH2CH2CH(Cl)- 10 / 39 10. HClO4 nechta sp3 orbital bor? A) 12 B) 4 C) 8 D) 16 11 / 39 11. Qaysi qatorda gazlarning zichligi ( g/ln.sh) ortib boradi. A) metan, ammiak, vodorod sulfid B) kislorod, ozon, vodorod C) argon, etilen, neon D) vodorod, kislorod, is gazi 12 / 39 12. 98 g metilsiklogeksandan 46 g toluol olingan bo’lsa, reaksiya unumini toping. A) 25 B) 75 C) 50 D) 80 13 / 39 13. 134.4 gr metal HCl bilan reaksiyaga kirishganda 11.2 gr H2 ajralib chiqdi.Reaksiyaga kirishgan metallmi aniqlang. A) Al: B) Ca C) Mg: D) Fe: 14 / 39 14. Modda tarkibini aniqlash uchun o’tkazilgan parchalanish jarayoni qanday ataladi? A) Fraksiya: B) Sinte C) Ajratib olish: D) Analiz: 15 / 39 15. 0.1 mol xromli temirtosh koks bilan qaytarilganda necha gram xrom va temir aralashmasi olinadi? A) 64 g: B) 16 g: C) 32 g: D) 8 g: 16 / 39 16. Qaysi moddaning dissotsiyalanish darajasi eng yuqori? A) sirka kislota: B) xlorsirka kislota C) trixlorsirka kislota: D) dixlorsirka kislota 17 / 39 17. Sirka kislotadagi uglerod atomlarining oksidlanish darajalarning yig’indisi nechiga teng? A) +2: B) -2: C) 0:00 D) -3: 18 / 39 18. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 4;0;0 B) 16;3;0 C) 16;0;0 D) 4;3;0 19 / 39 19. 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=2,k=6: C) 1)m=4,k=2 2)m=2,k=1 3)m=2,k=4 4)m=1,k=5: D) 1)m=4,k=2 2)m=3,k=3 3)m=2,k=4 4)m=1,k=5: 20 / 39 20. 560ml etilen va atsetilendan iborat aralashmaga 1440ml H qo’shilib platina katalizatori ustidan o’tkazilganda uning hajmi reaksiya boshlanmasdan oldingi umumiyga nisbatan 33.6% ga kamaydi Boshlang’ich aralashmasini to’la yoqish uchun qancha hajm O2 kerak? A) 1328:00:00 B) 6720 C) 1624:00:00 D) 1344:00:00 21 / 39 21. Propinga suv tasir ettirilsa qanday moddalar hosil bo’ladi? A) CH3CH2COCH2CH3: B) CH3COCH2CH3: C) C2H5COC3H7 D) CH3COCH3: 22 / 39 22. 0.02 mol miqdordagi etilen gidrogenlash uchun qanday hajmdagi l (n.sh) H2 kerak bo’ladi? A) 44,8 l B) 22,4 l: C) 0,448 l: D) 33,6 l 23 / 39 23. Propinga suv tasir ettirilsa qanday moddalar hosil bo’ladi? A) CH3CH2COCH2CH3: B) CH3COCH3: C) C2H5COC3H7 D) CH3COCH2CH3: 24 / 39 24. 2 mol 1.5 dibrom pentanni siklopentanga almashtirish uchun necha gram rux kerak? A) 150 g B) 130 g: C) 104 g D) 65 g: 25 / 39 25. 300 kPa bosimda harorat 27oC ga teng bo’lgan sharoitda 33,24 litr H2 tarkibidagi molekulalar sonini toping? A) 4*Na: B) 8*Na C) 2*Na D) 3*Na 26 / 39 26. D(H2)=15,5 bòlgan CO va O2 aralashmasi yondirildi. Malum vaqtdan keyin kislorodning 10% qismi tasirlashdi. Yakuniy gazlar aralashmasidagi CO ning massa ulushini anqlang A) 80.8 B) 90.7 C) 9.03 D) 21 27 / 39 27. 0.1 mol xromli temirtosh koks bilan qaytarilganda necha gram xrom va temir aralashmasi olinadi? A) 8 g: B) 16 g: C) 64 g: D) 32 g: 28 / 39 28. Oltin nimaga zanglamaydi? A) Passiv: B) I-guruh elementi bo'lgani uchun C) Aktiv D) Qimmatligi uchun 29 / 39 29. 560ml etilen va atsetilendan iborat aralashmaga 1440ml H qo’shilib platina katalizatori ustidan o’tkazilganda uning hajmi reaksiya boshlanmasdan oldingi umumiyga nisbatan 33.6% ga kamaydi Boshlang’ich aralashmasini to’la yoqish uchun qancha hajm O2 kerak? A) 1344:00:00 B) 6720 C) 1328:00:00 D) 1624:00:00 30 / 39 30. MnO......... A) Suvda erimaydigan yashil tusli kukun B) Kulrang qoramtir tusli qattiq modda C) Yashil moysimon suyuqlik 31 / 39 31. 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: 32 / 39 32. Argentit formula? A) Ag2S B) AgNO3 C) AgSO4 D) Cu2S 33 / 39 33. 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=2,k=6: C) 1)m=4,k=2 2)m=2,k=1 3)m=2,k=4 4)m=1,k=5: D) 1)m=4,k=2 2)m=3,k=3 3)m=2,k=4 4)m=1,k=5: 34 / 39 34. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 23 B) 64 C) 32 D) 46 35 / 39 35. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 45 B) 50 C) 25 D) 35 36 / 39 36. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 19300 B) 400 C) 96500 D) 27400 37 / 39 37. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CO B) COCl2 C) CaC2 D) CH4 38 / 39 38. 500 gr 23% K2CO3 eritmasidan necha amper tok o’tganda 4825 min davomida K2CO3 ning massa ulushi 50% ga teng bo’ladi. A) 9A B) 10A: C) 5A D) 12A 39 / 39 39. 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) 360:00:00 B) 480:00:00 C) 180 D) 450:00:00 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
