Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Oktabr 24, 2022 92 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. Bir xil molyarli 1:2:3 halmiy nisbatdagi KMnO4 eritmalari bor (pH=1; pH=pOH; pH=pOH+12). Shu eritmalar nomalum qaytaruchi bilan tasirlashganda qaytaruchi beradugan eliktronlarning mol nisbatini toping. A) 3:2:1 B) 5:6:3 C) 5:3:1 D) 1:2:3 2 / 40 2. Vodorod, uglerod, azot, oltingugurt qanday birikmalarda manfiy oksidlanish darajasiga ega? A) gidrat, karbonat, nitrid, sulfid B) gidrid, karbid, nitrid, sulfid C) gidrid, karbonat, nitrat, sulfat D) idrid, karbid, nitrid, sulfit 3 / 40 3. Teng massa nisbatda olingan NO va Ar dan iborat gazlar aralashmasini 1,4 mol necha gr keladi? A) 32 B) 16 C) 24 D) 48 4 / 40 4. Quyida berilgan to’lib boorish tartibi to’g’ri bo’lgan electron konfiguratsiyada x, y va z uchun mos harfni aniqlang: 5s 4x 5y 6z A) x=d; y=p; z=s B) x=f; y=d; z=s C) x=d; y=s; z=p D) x=f; y=d; z=p 5 / 40 5. 2:1 mol nisbatda olingan ikkita alkan aralashmasidagi C ning H ga nisbati 7:17. 1:1 mol nisbatda olinganda C lar nisbati 2:3 bo‘lsa, molar massasi kichik alkanni toping. A) geksan B) butan C) etan D) propan 6 / 40 6. yadro reaksiyasida A+B=405 bo’lsa izatopi tarkibidagi neytronlar sonini aniqlang. A) 136 B) 142 C) 128 D) 116 7 / 40 7. C5H10 tarkibga to’g’ri keladigan sikloalkanlarni belgilang? A) 1,1 dimetil siklopropan B) metil siklopentan C) n-pentan D) to’g’ri javab yo’q 8 / 40 8. Px Sy + 62HNO 3(kons) → reaksiya tenglamasini tugallang va suvning oldidagi koeffitsiyentni aniqlang (y – x = 3). A) 18 B) 26 C) 32 D) 31 9 / 40 9. 44,8 litr gazlar aralashmasining massasi 1 mol C4H10 massasiga teng. Shu aralashmaning havoga nisbatan zichligini aniqlang. A) 1 B) 2 C) 2,5 D) 1,5 10 / 40 10. 98 g metilsiklogeksandan 46 g toluol olingan bo’lsa, reaksiya unumini toping. A) 80 B) 75 C) 25 D) 50 11 / 40 11. MnO......... A) Yashil moysimon suyuqlik B) Suvda erimaydigan yashil tusli kukun C) Kulrang qoramtir tusli qattiq modda 12 / 40 12. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CaC2 B) CO C) COCl2 D) CH4 13 / 40 13. Mn2O7......... A) Qora tusli qattiq modda B) Suvda erimaydigan yashil tusli kukun C) Yashil qònģir tusli moysimon suyuqlik 14 / 40 14. 2 M li H2SO3 ni normalligini hisoblang A) 4 B) 0.2 C) 0.4 D) 2 15 / 40 15. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 1;2 B) 3;4 C) 1;1 D) 2;3 16 / 40 16. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 16;3;0 B) 16;0;0 C) 4;3;0 D) 4;0;0 17 / 40 17. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 98 B) 9.8 C) 19.6 D) 196 18 / 40 18. Amfoter oksidlarni toping A) ZnO; CO2; Al2O3 B) ZnO; Cr2O3; Al2O3; C) Al2O3; Fe2O3; SO2 19 / 40 19. 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) 20 C) 80 D) 40 20 / 40 20. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -5 B) -4 C) -8 D) -10 21 / 40 21. 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) 2 ta C) 6 ta D) 1 ta 22 / 40 22. 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 23 / 40 23. Argentit formula? A) AgSO4 B) AgNO3 C) Cu2S D) Ag2S 24 / 40 24. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 58.33 B) 56 C) 53.33 D) 112 25 / 40 25. MnO2......... A) Suvda erimaydigan yashil tusli kukun B) Qora tusli qattiq modda C) Kulrang qoramtir tusli qattiq modda 26 / 40 26. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 7 B) 8 C) 5 D) 6 27 / 40 27. Pirolyuzitning 0,3 molining massasi? A) 20.1 B) 261 C) 26.1 D) 201 28 / 40 28. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 32 B) 23 C) 46 D) 64 29 / 40 29. 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) 64 D) 128 30 / 40 30. 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) 21 C) 90.7 D) 9.03 31 / 40 31. Mn3O4 ........ A) Qora tusli qattiq modda B) Suvda erimaydigan yashil tusli kukun C) Qònģir tusli qattiq modda 32 / 40 32. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 4.48 B) 8.96 C) 2.24 D) 6.72 33 / 40 33. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 2;3 B) 9;3 C) 2;4 D) 4,5;1 34 / 40 34. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 4 B) 3 C) 2 D) 5 35 / 40 35. Cr2(SO4)3 ekvivalenti? A) 65.33 B) 104 C) 130.33 D) 392 36 / 40 36. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 19300 B) 27400 C) 400 D) 96500 37 / 40 37. FeSO4+KMnO4+H2SO4--->Fe2(SO4)3+MnSO4+K2SO4+H2O reaksiyada 2 mol oksidlovchi sarflangan bòlsa necha gr suv hosil bòlgan A) 144 B) 18 C) 36 D) 72 38 / 40 38. Sintez gazi formulasi A) CH4 B) H2O C) CO+2H2 D) 2H2+O2 39 / 40 39. Mn2O3........ A) Qònģir tusli qattiq modda B) Yashil tusli kukun C) Kulrang qoramtir tusli qattiq modda 40 / 40 40. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 50 B) 45 C) 35 D) 25 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
