Kimyo attestatsiya №14 Oktabr 24, 2022Oktabr 24, 2022 da chop etilgan InfoMaster tomonidan Kimyo attestatsiya №14 ga fikr bildirilmagan. 0% 16 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) 18 B) 14 C) 20 D) 16 2 / 40 2. Orbitallardagi harakatlana oladigan maksimal elektronlar soni qaysi formula bilan aniqlanadi? A) n² B) 2l + 1 C) 2(21 + 1) D) 2n² 3 / 40 3. 19,6 gr sulfat kislota tarkibida necha dona O atomi bor? A) 32,04*10²³ B) 6,02*10²³ C) 4,816*10²³ D) 12,04*10²³ 4 / 40 4. Ksenon 14554Xe ning 4 ta ?- va 4 ta ?+ va 1 ta elektronning yadroga qulashi natejasida qaysi element izotopi hosil bo’ladi? A) 4 B) 3 C) 2 D) 1 5 / 40 5. 8 g NaOH dan foydalanib qanday massali (g) 4 molyalli eritma tayyorlash mumkin? (Molyallik – 1 kg erituvchiga mos keluvchi erigan modda miqdori) A) 50 B) 40 C) 58 D) 46 6 / 40 6. Suratda keltirilgan jihozni nomini belgilang A) O’chov silindirlari B) Byrutkalar C) Sovutkich D) Menzurkalar 7 / 40 7. Ruda gazi formulasini toping? A) to’g’ri javab yo’q B) H2S C) N2O 8 / 40 8. Px Sy + 62HNO 3(kons) → reaksiya tenglamasini tugallang va suvning oldidagi koeffitsiyentni aniqlang (y – x = 3). A) 26 B) 31 C) 32 D) 18 9 / 40 9. Quyidagi zarrachalarning qaysi birida elektronlarning neytronlarga nisbati eng kichik natural sondan katta? 1) NO+; 2) NH3; 3) H3O+; 4) SO4-2 A) 2, 3 B) 1, 3 C) faqat 4 D) 2, 3, 4 10 / 40 10. Sellyulozani qaysi birikmasidan portlovchi modda olinadi? A) trinitrosellyuloza B) tetradixromat C) dixlorsirka D) Trixlorsirka 11 / 40 11. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 112 B) 56 C) 53.33 D) 58.33 12 / 40 12. Cr2(SO4)3 ekvivalenti? A) 104 B) 392 C) 65.33 D) 130.33 13 / 40 13. 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 14 / 40 14. Mn2O3........ A) Yashil tusli kukun B) Kulrang qoramtir tusli qattiq modda C) Qònģir tusli qattiq modda 15 / 40 15. 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) 2.24 D) 6.72 16 / 40 16. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) COCl2 B) CO C) CaC2 D) CH4 17 / 40 17. Argentit formula? A) AgSO4 B) Cu2S C) AgNO3 D) Ag2S 18 / 40 18. Pirolyuzitning 0,3 molining massasi? A) 26.1 B) 261 C) 201 D) 20.1 19 / 40 19. MnO......... A) Suvda erimaydigan yashil tusli kukun B) Yashil moysimon suyuqlik C) Kulrang qoramtir tusli qattiq modda 20 / 40 20. 2 M li H2SO3 ni normalligini hisoblang A) 0.4 B) 0.2 C) 4 D) 2 21 / 40 21. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 23 B) 64 C) 46 D) 32 22 / 40 22. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 2;3 B) 3;4 C) 1;1 D) 1;2 23 / 40 23. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 27400 B) 96500 C) 19300 D) 400 24 / 40 24. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 45 B) 25 C) 50 D) 35 25 / 40 25. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 19.6 B) 196 C) 98 D) 9.8 26 / 40 26. 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) 6.4 C) 12.8 D) 128 27 / 40 27. Mn3O4 ........ A) Qora tusli qattiq modda B) Qònģir tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 28 / 40 28. 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 29 / 40 29. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 8 B) 6 C) 7 D) 5 30 / 40 30. Amfoter oksidlarni toping A) ZnO; Cr2O3; Al2O3; B) ZnO; CO2; Al2O3 C) Al2O3; Fe2O3; SO2 31 / 40 31. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -5 B) -10 C) -4 D) -8 32 / 40 32. 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 33 / 40 33. Oltingugurtning oxirgi elektroni uchun barcha kvant sonlarini aniqlang(n; l; ml; ms tartibida) A) 3; 1; -1; -1/2 B) 3; 2; 0; +1/2 C) 3; 2; 1; +1/2 34 / 40 34. 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) 6 ta C) 1 ta D) 3 ta 35 / 40 35. 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) 21 D) 90.7 36 / 40 36. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 2 B) 5 C) 3 D) 4 37 / 40 37. MnO2......... A) Suvda erimaydigan yashil tusli kukun B) Kulrang qoramtir tusli qattiq modda C) Qora tusli qattiq modda 38 / 40 38. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 4,5;1 B) 2;3 C) 2;4 D) 9;3 39 / 40 39. Sintez gazi formulasi A) 2H2+O2 B) CO+2H2 C) H2O D) CH4 40 / 40 40. Mn2O7......... A) Qora tusli qattiq modda B) Suvda erimaydigan yashil tusli kukun C) Yashil qònģir tusli moysimon suyuqlik 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Kimyo attestatsiya