Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Oktabr 24, 2022 116 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. 2ta N2 va 1,5 ta H2O molikulalardagicha electron saqlagan element atomidagi s va p elektronlarni farqini toping. A) 4 B) 18 C) 8 D) 12 2 / 40 2. Elektron pog’onachasida maksimal 22 ta elektron bo’lgan orbitalning 19 - elektoni uchun magnit kvant sonini ko’rsating. A) +3 B) +1 C) +4 D) +2 3 / 40 3. Elektron pog‘onachasida maksimal 30 ta elektron bo‘lgan orbitalning 25-elektoni uchun magnit kvant sonini ko‘rsating. A) +2 B) +4 C) +3 D) +1 4 / 40 4. Elektronning yadroga qulashi natijasida qanday o’zgarish kuzatiladi? 1) neytron protonga aylanadi; 2) proton neytronga aylanadi; 3) yadro zaryadi ortadi; 4) yadro zaryadi kamayadi. A) 2, 4 B) 2, 3 C) 1, 2 D) 1, 3 5 / 40 5. HF va ozondan iborat gazlar aralashmasidagi moddalar mos ravishda 1,204·10²³ va 0,72•NA dona neytronga ega bo‘lsa, gazlar aralashmasining molar massasini (g/mol) hisoblang. A) 39.4 B) 36.8 C) 28.8 D) 41.9 6 / 40 6. Rasimda qaysi labaratorya usullar keltirilgan. A) 1-dekantatsiya,2-distillash,3-bug’latish, 4-filtirlash B) 1-dekantatsiya,2-distillash,3-filtillash, 4-bug’latish C) 1-distillash,2-dekantatsiya,3-bug’latish, 4-filtirlash D) 1-distillash,2-bug’latish,3-dekantatsiya, 4-filtirlash 7 / 40 7. Kartoshka tarkibida qanday biopolimer bor. A) dekstrin B) to’g’ri javab yo’q C) glukoza D) kraxmal 8 / 40 8. HClO4 nechta sp3 orbital bor? A) 4 B) 8 C) 16 D) 12 9 / 40 9. Noma’lum n valentli element oksidining ekvivalent molyar massasi 220/4n (g/mol•ekv) ga teng bo‘lsa, oksidning molyar massasini (g/mol) aniqlang. A) 152 B) 110 C) 76 D) 102 10 / 40 10. KMnO4 + H2SO4 + NaCl → koeffitsientlar yig’indisini toping. A) 41 B) 53 C) 62 D) 84 11 / 40 11. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 9;3 B) 2;3 C) 2;4 D) 4,5;1 12 / 40 12. Amfoter oksidlarni toping A) Al2O3; Fe2O3; SO2 B) ZnO; Cr2O3; Al2O3; C) ZnO; CO2; Al2O3 13 / 40 13. MnO......... A) Yashil moysimon suyuqlik B) Suvda erimaydigan yashil tusli kukun C) Kulrang qoramtir tusli qattiq modda 14 / 40 14. Pirolyuzitning 0,3 molining massasi? A) 20.1 B) 201 C) 26.1 D) 261 15 / 40 15. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 4.48 B) 6.72 C) 2.24 D) 8.96 16 / 40 16. Mn3O4 ........ A) Qora tusli qattiq modda B) Qònģir tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 17 / 40 17. 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) 90.7 B) 9.03 C) 21 D) 80.8 18 / 40 18. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -5 B) -10 C) -4 D) -8 19 / 40 19. Mn2O7......... A) Suvda erimaydigan yashil tusli kukun B) Qora tusli qattiq modda C) Yashil qònģir tusli moysimon suyuqlik 20 / 40 20. 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 21 / 40 21. Cr2(SO4)3 ekvivalenti? A) 104 B) 392 C) 130.33 D) 65.33 22 / 40 22. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 400 B) 96500 C) 27400 D) 19300 23 / 40 23. FeSO4+KMnO4+H2SO4--->Fe2(SO4)3+MnSO4+K2SO4+H2O reaksiyada 2 mol oksidlovchi sarflangan bòlsa necha gr suv hosil bòlgan A) 18 B) 144 C) 72 D) 36 24 / 40 24. 4,4 gr CO2 gazi qizdirilgan uglerod orqali òtkazilganda uning yarmi tasirlashdi. Olingan gaz qizdirilgan CuO ustidan òtkazildi. Hosil bòlgan mis massasini toping A) 64 B) 12.8 C) 128 D) 6.4 25 / 40 25. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 50 B) 45 C) 25 D) 35 26 / 40 26. Argentit formula? A) Ag2S B) AgSO4 C) AgNO3 D) Cu2S 27 / 40 27. Oltingugurtning oxirgi elektroni uchun barcha kvant sonlarini aniqlang(n; l; ml; ms tartibida) A) 3; 2; 0; +1/2 B) 3; 2; 1; +1/2 C) 3; 1; -1; -1/2 28 / 40 28. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 64 B) 32 C) 46 D) 23 29 / 40 29. 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) 2 ta B) 3 ta C) 6 ta D) 1 ta 30 / 40 30. Sintez gazi formulasi A) CH4 B) 2H2+O2 C) H2O D) CO+2H2 31 / 40 31. 2 M li H2SO3 ni normalligini hisoblang A) 0.2 B) 4 C) 2 D) 0.4 32 / 40 32. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 6 B) 5 C) 8 D) 7 33 / 40 33. 158 gr KMnO4 dan olingan kislorod ozonlandi. Olingan ozon KI eritmasidan òtkazilganda 50,8 gr I2 hosil bòldi. Ozonning hosil bòlish unumini toping A) 40 B) 80 C) 60 D) 20 34 / 40 34. Mn2O3........ A) Kulrang qoramtir tusli qattiq modda B) Yashil tusli kukun C) Qònģir tusli qattiq modda 35 / 40 35. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 2 B) 4 C) 5 D) 3 36 / 40 36. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CaC2 B) COCl2 C) CO D) CH4 37 / 40 37. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 196 B) 19.6 C) 9.8 D) 98 38 / 40 38. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 16;3;0 B) 4;3;0 C) 16;0;0 D) 4;0;0 39 / 40 39. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 1;2 B) 1;1 C) 3;4 D) 2;3 40 / 40 40. MnO2......... A) Kulrang qoramtir tusli qattiq modda B) Qora tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
