Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Oktabr 24, 2022 84 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0% 1 12345678910111213141516171819202122232425262728293031323334353637383940 OMAD YOR BO'LSIN! Kimyo fanidan attestatsiya savollari №14 12.10.2022. Toshkent savollari 1 / 40 1. (H₂O)₉ tarkibli suv molikulasida nechta vodorod bog’ bor? A) 16 B) 20 C) 18 D) 14 2 / 40 2. Orbitallardagi harakatlana oladigan maksimal elektronlar soni qaysi formula bilan aniqlanadi? A) 2(21 + 1) B) 2n² C) n² D) 2l + 1 3 / 40 3. Fe2+, Fe3 + va Fe da nechta +1/2 spinli elektronlar bor? A) 14; 13; 15 B) 14; 14; 15 C) 14; 14; 14 D) 15; 15; 15 4 / 40 4. Saraton kasalligini davolashda qaysi izotopdan foydalaniladi A) ⁶⁰Co B) ⁶⁴Cu C) ²³⁴J D) ⁶⁵Zn 5 / 40 5. Quyidagi moddalarni bog‘ energiyasi ortish tartibida joylashtiring. 1) HCl; 2) HF; 3) HJ 4) HBr. A) 2, 1, 3, 4 B) 2. 1, 4, 3 C) 4, 3, 1, 2 D) 3, 4, 1, 2 6 / 40 6. Amfoter gidroksidlar qatorini toping A) NaOH, Zn(OH)2, Cu(OH)2 B) Zn(OH)2, Al(OH)3, Cr(OH)3 C) KOH, Mg(OH)2, Al(OH)3 D) Ca(OH)2, Fe(OH)2, Ba(OH)2 7 / 40 7. Dixromat ioni tarkibini nechta proton, neytron va elektronlar tashkil etadi? 1)104; 2)114; 3)112; 4)106 A) 1, 2, 3 B) 2, 3, 4 C) to’g’ri javab yo’q D) 1, 3, 4 8 / 40 8. Organik sintezda katalizator sifatida ishlatiladigan moddani belgilang. A) CaCl₂ B) NaCl C) ZnCl₂ D) AlCl₃ 9 / 40 9. 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) 4 B) 3 C) 2 D) 1 10 / 40 10. To’yingan bir asosli karbon kislota tarkibidagi proton va neytronlar yig’indisi elektronlar sonidan 11/6 marta katta bo’lsa, karbon kislotani toping A) C5H10COOH B) C3H9COOH C) C3H7COOH D) C4H8COOH 11 / 40 11. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 6.72 B) 8.96 C) 2.24 D) 4.48 12 / 40 12. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 196 B) 19.6 C) 9.8 D) 98 13 / 40 13. 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 14 / 40 14. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 400 B) 96500 C) 19300 D) 27400 15 / 40 15. Mn2O7......... A) Suvda erimaydigan yashil tusli kukun B) Yashil qònģir tusli moysimon suyuqlik C) Qora tusli qattiq modda 16 / 40 16. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -8 B) -4 C) -5 D) -10 17 / 40 17. Amfoter oksidlarni toping A) ZnO; Cr2O3; Al2O3; B) ZnO; CO2; Al2O3 C) Al2O3; Fe2O3; SO2 18 / 40 18. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 2;3 B) 1;2 C) 1;1 D) 3;4 19 / 40 19. Pirolyuzitning 0,3 molining massasi? A) 20.1 B) 26.1 C) 201 D) 261 20 / 40 20. MnO......... A) Kulrang qoramtir tusli qattiq modda B) Yashil moysimon suyuqlik C) Suvda erimaydigan yashil tusli kukun 21 / 40 21. Oltingugurtning oxirgi elektroni uchun barcha kvant sonlarini aniqlang(n; l; ml; ms tartibida) A) 3; 2; 1; +1/2 B) 3; 2; 0; +1/2 C) 3; 1; -1; -1/2 22 / 40 22. 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) 1 ta B) 6 ta C) 2 ta D) 3 ta 23 / 40 23. 2 M li H2SO3 ni normalligini hisoblang A) 2 B) 0.4 C) 4 D) 0.2 24 / 40 24. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 64 B) 32 C) 46 D) 23 25 / 40 25. Mn3O4 ........ A) Qònģir tusli qattiq modda B) Suvda erimaydigan yashil tusli kukun C) Qora tusli qattiq modda 26 / 40 26. FeSO4+KMnO4+H2SO4--->Fe2(SO4)3+MnSO4+K2SO4+H2O reaksiyada 2 mol oksidlovchi sarflangan bòlsa necha gr suv hosil bòlgan A) 72 B) 36 C) 18 D) 144 27 / 40 27. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 2;3 B) 9;3 C) 4,5;1 D) 2;4 28 / 40 28. 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) 9.03 C) 90.7 D) 21 29 / 40 29. Sintez gazi formulasi A) 2H2+O2 B) CO+2H2 C) CH4 D) H2O 30 / 40 30. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 5 B) 8 C) 6 D) 7 31 / 40 31. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 2 B) 3 C) 5 D) 4 32 / 40 32. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 45 B) 25 C) 35 D) 50 33 / 40 33. Cr2(SO4)3 ekvivalenti? A) 104 B) 65.33 C) 392 D) 130.33 34 / 40 34. Argentit formula? A) AgNO3 B) Ag2S C) AgSO4 D) Cu2S 35 / 40 35. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) COCl2 B) CH4 C) CaC2 D) CO 36 / 40 36. MnO2......... A) Kulrang qoramtir tusli qattiq modda B) Suvda erimaydigan yashil tusli kukun C) Qora tusli qattiq modda 37 / 40 37. Mn2O3........ A) Kulrang qoramtir tusli qattiq modda B) Qònģir tusli qattiq modda C) Yashil tusli kukun 38 / 40 38. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 16;3;0 B) 4;0;0 C) 4;3;0 D) 16;0;0 39 / 40 39. 4,4 gr CO2 gazi qizdirilgan uglerod orqali òtkazilganda uning yarmi tasirlashdi. Olingan gaz qizdirilgan CuO ustidan òtkazildi. Hosil bòlgan mis massasini toping A) 12.8 B) 6.4 C) 128 D) 64 40 / 40 40. 158 gr KMnO4 dan olingan kislorod ozonlandi. Olingan ozon KI eritmasidan òtkazilganda 50,8 gr I2 hosil bòldi. Ozonning hosil bòlish unumini toping A) 60 B) 40 C) 80 D) 20 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
