Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Oktabr 24, 2022 89 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0% 0 12345678910111213141516171819202122232425262728293031323334353637383940 OMAD YOR BO'LSIN! Kimyo fanidan attestatsiya savollari №14 12.10.2022. Toshkent savollari 1 / 40 1. Kislorod atomining barcha eliktironlarning bosh kvant sonlari yig’indisini toping. A) 2+1 B) 8 C) 12 D) 14 2 / 40 2. II valentli metall sulfidida oltingugurt bilan metallning masa nisbati 2:7 bo’lsa, Metallni aniqlang. A) Ba B) Cd C) Mg D) Cu 3 / 40 3. Reaksiyaning tezligini 81 marta oshirish uchun temperaturani 80±C dan necha gradusgacha ko‘tarish kerak (° = 3)? A) 120 B) 160 C) 100 D) 80 4 / 40 4. Qaysi qator faqat valentligi o’zgaruvchan elementlardan iborat? A) Cu, Ba, N, Cl,Br,Cr B) K, C, S, N, P, Fe C) C, Cr, Cu, P, S D) Ca, Cu, C, H, F, O 5 / 40 5. X+1, X–3, X+5 zarrachalaridagi proton va elektronlar yig‘indisi 87 ga teng bo‘lsa, X elementning yuqori oksidi molar massasini (g/mol) hisoblang. A) 98 B) 151 C) 230 D) 142 6 / 40 6. XO tarkibidagi X ning massa ulushi 60% bo‘lsa, noma’lum elementni aniqlang. A) magniy B) titan C) kalsiy D) molibden 7 / 40 7. Izomeriya tushunchasini birinchi bo’lib kim aniqlagan? A) Butlerov B) Semyonov C) Berselius D) to’g’ri javab yo’q 8 / 40 8. Na2 CO3 va K2 SO4 dan iborat aralashmaning qanday mol nisbatida σ-bog‘lar soni π-bog‘lar sonidan 3,4 marta ko‘p bo‘ladi? A) 1:4 B) 1:2 C) 2:1 D) 4:1 9 / 40 9. Tarkibida 4*NA atom kislorod saqlagan dolomid massasini aniqlang. A) 147.2 B) 73.6 C) 184 D) 122.67 10 / 40 10. Nitrobenzolga 4 g vodorod ta’sir ettirilganda hosil bo‘lgan organik modda massasini toping? A) 92 gr B) 62 gr C) 54 gr D) 76 gr 11 / 40 11. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 4;3;0 B) 4;0;0 C) 16;3;0 D) 16;0;0 12 / 40 12. Pirolyuzitning 0,3 molining massasi? A) 261 B) 20.1 C) 201 D) 26.1 13 / 40 13. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 196 B) 9.8 C) 19.6 D) 98 14 / 40 14. 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) 80 C) 20 D) 40 15 / 40 15. 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) 9.03 B) 80.8 C) 21 D) 90.7 16 / 40 16. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 2 B) 5 C) 3 D) 4 17 / 40 17. MnO2......... A) Qora tusli qattiq modda B) Kulrang qoramtir tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 18 / 40 18. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CO B) COCl2 C) CH4 D) CaC2 19 / 40 19. Sintez gazi formulasi A) H2O B) CO+2H2 C) CH4 D) 2H2+O2 20 / 40 20. 2 M li H2SO3 ni normalligini hisoblang A) 4 B) 0.2 C) 2 D) 0.4 21 / 40 21. Amfoter oksidlarni toping A) ZnO; Cr2O3; Al2O3; B) Al2O3; Fe2O3; SO2 C) ZnO; CO2; Al2O3 22 / 40 22. Mn2O7......... A) Suvda erimaydigan yashil tusli kukun B) Yashil qònģir tusli moysimon suyuqlik C) Qora tusli qattiq modda 23 / 40 23. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 64 B) 32 C) 23 D) 46 24 / 40 24. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 56 B) 58.33 C) 112 D) 53.33 25 / 40 25. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 5 B) 6 C) 7 D) 8 26 / 40 26. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 25 B) 35 C) 50 D) 45 27 / 40 27. 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 28 / 40 28. 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) 1 ta C) 2 ta D) 6 ta 29 / 40 29. MnO......... A) Suvda erimaydigan yashil tusli kukun B) Yashil moysimon suyuqlik C) Kulrang qoramtir tusli qattiq modda 30 / 40 30. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -10 B) -8 C) -5 D) -4 31 / 40 31. 4,4 gr CO2 gazi qizdirilgan uglerod orqali òtkazilganda uning yarmi tasirlashdi. Olingan gaz qizdirilgan CuO ustidan òtkazildi. Hosil bòlgan mis massasini toping A) 128 B) 64 C) 12.8 D) 6.4 32 / 40 32. Cr2(SO4)3 ekvivalenti? A) 392 B) 130.33 C) 65.33 D) 104 33 / 40 33. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 1;2 B) 1;1 C) 3;4 D) 2;3 34 / 40 34. Mn3O4 ........ A) Suvda erimaydigan yashil tusli kukun B) Qora tusli qattiq modda C) Qònģir tusli qattiq modda 35 / 40 35. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 8.96 B) 4.48 C) 6.72 D) 2.24 36 / 40 36. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 9;3 B) 2;4 C) 2;3 D) 4,5;1 37 / 40 37. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 27400 B) 400 C) 96500 D) 19300 38 / 40 38. FeSO4+KMnO4+H2SO4--->Fe2(SO4)3+MnSO4+K2SO4+H2O reaksiyada 2 mol oksidlovchi sarflangan bòlsa necha gr suv hosil bòlgan A) 36 B) 18 C) 72 D) 144 39 / 40 39. Argentit formula? A) Ag2S B) AgNO3 C) Cu2S D) AgSO4 40 / 40 40. Mn2O3........ A) Kulrang qoramtir tusli qattiq modda B) Qònģir tusli qattiq modda C) Yashil tusli kukun 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
