Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Oktabr 24, 2022 86 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. Kislorod atomining barcha eliktironlarning bosh kvant sonlari yig’indisini toping. A) 8 B) 14 C) 12 D) 2+1 2 / 40 2. Pu → xα + yβ + Th ushbu yadro reaksiyasida 97,6 g Pu izotopining yemirilishi natijasida 92,8 g Th izotopi hosil bo’lsa, Th ning neytronlar sonini aniqlang. x=1,5y A) 144 B) 143 C) 142 D) 145 3 / 40 3. 0,2 mol X₂O₅ tarkibida 14 mol e bo’lsa Nomalum elementni aniqlang. A) Cl B) P C) N D) B 4 / 40 4. Titan va xrom atomlarida 3 d- pog’onachada nechtadan toq elektronlar va bo’sh orbitallar bor? A) titanda – 2,3; xromda – 5,0 B) titanda – 3,3; xromda – 2,2 C) titanda – 2,2; xromda – 3,3 D) titanda – 2,3; xromda – 4,1 5 / 40 5. Metall, kovalent va ion bog‘lanishli moddalar ketma – ketligini toping. A) Bе, SO3, CaF2 B) Сu, HCl, PH3 C) Ag2S, O3, NaCl D) Sn, N2, H3РО4 6 / 40 6. Quyida keltirilgan molekulalarni ularning tarkibidagi proton, neytron va elektronlar yig‘indisi ortib borish tartibida joylashtiring. 1) N2O 2) NO 3) N2O3 4) NO2 5) N2O5 A) 2, 1, 4, 3, 5 B) 5, 3, 4, 1, 2 C) 5, 1, 4, 3,2 D) 2, 3, 1, 4, 5 7 / 40 7. Polivinilxloridning struktur zvenosini ko`rsating? A) -CH2CH(Cl)- B) -CHCH(Cl)- C) to’g’ri javab yo’q D) -CH2CH2CH(Cl)- 8 / 40 8. Quyida berilgan moddalarning eritmalarida pH qiymati taqqoslang 1) natriy karbonat; 2) mis (II) xlorid; 3) litiy nitrat; 4) xlorid kislota. A) 1 > 2 = 3 > 4 B) 4 > 2 > 3 > 1 C) 4 > 2 = 3 > 1 D) 1 > 3 > 2 > 4 9 / 40 9. x % li va (x+20)% li eritmalardan foydalanib necha foizli eritma tayyorlash mumkin emas? A) x+5 B) x+10 C) x+15 D) x+20 10 / 40 10. Propenga necha mol H2 qo’shilganda alkan hosil bo’ladi? A) 2 mol B) 4 mol C) 1 mol D) 3 mol 11 / 40 11. FeSO4+KMnO4+H2SO4--->Fe2(SO4)3+MnSO4+K2SO4+H2O reaksiyada 2 mol oksidlovchi sarflangan bòlsa necha gr suv hosil bòlgan A) 18 B) 72 C) 144 D) 36 12 / 40 12. 158 gr KMnO4 dan olingan kislorod ozonlandi. Olingan ozon KI eritmasidan òtkazilganda 50,8 gr I2 hosil bòldi. Ozonning hosil bòlish unumini toping A) 20 B) 40 C) 80 D) 60 13 / 40 13. Amfoter oksidlarni toping A) Al2O3; Fe2O3; SO2 B) ZnO; CO2; Al2O3 C) ZnO; Cr2O3; Al2O3; 14 / 40 14. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 64 B) 32 C) 23 D) 46 15 / 40 15. MnO2......... A) Suvda erimaydigan yashil tusli kukun B) Kulrang qoramtir tusli qattiq modda C) Qora tusli qattiq modda 16 / 40 16. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 6.72 B) 4.48 C) 2.24 D) 8.96 17 / 40 17. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 1;2 B) 2;3 C) 3;4 D) 1;1 18 / 40 18. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -8 B) -5 C) -10 D) -4 19 / 40 19. 2 M li H2SO3 ni normalligini hisoblang A) 4 B) 0.2 C) 0.4 D) 2 20 / 40 20. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 25 B) 45 C) 35 D) 50 21 / 40 21. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 9.8 B) 196 C) 98 D) 19.6 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) 3 ta B) 1 ta C) 6 ta D) 2 ta 23 / 40 23. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CaC2 B) CH4 C) CO D) COCl2 24 / 40 24. Mn2O7......... A) Yashil qònģir tusli moysimon suyuqlik B) Qora tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 25 / 40 25. 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 26 / 40 26. 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) 21 C) 90.7 D) 80.8 27 / 40 27. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 4 B) 3 C) 5 D) 2 28 / 40 28. Pirolyuzitning 0,3 molining massasi? A) 26.1 B) 201 C) 261 D) 20.1 29 / 40 29. Argentit formula? A) AgNO3 B) Ag2S C) AgSO4 D) Cu2S 30 / 40 30. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 5 B) 7 C) 8 D) 6 31 / 40 31. Oltingugurtning oxirgi elektroni uchun barcha kvant sonlarini aniqlang(n; l; ml; ms tartibida) A) 3; 2; 0; +1/2 B) 3; 1; -1; -1/2 C) 3; 2; 1; +1/2 32 / 40 32. 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) 12.8 C) 6.4 D) 64 33 / 40 33. Sintez gazi formulasi A) CO+2H2 B) H2O C) CH4 D) 2H2+O2 34 / 40 34. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 9;3 B) 4,5;1 C) 2;4 D) 2;3 35 / 40 35. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 27400 B) 19300 C) 400 D) 96500 36 / 40 36. Mn3O4 ........ A) Qora tusli qattiq modda B) Qònģir tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 37 / 40 37. Cr2(SO4)3 ekvivalenti? A) 392 B) 65.33 C) 130.33 D) 104 38 / 40 38. MnO......... A) Yashil moysimon suyuqlik B) Suvda erimaydigan yashil tusli kukun C) Kulrang qoramtir tusli qattiq modda 39 / 40 39. Mn2O3........ A) Qònģir tusli qattiq modda B) Yashil tusli kukun C) Kulrang qoramtir tusli qattiq modda 40 / 40 40. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 58.33 B) 112 C) 53.33 D) 56 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
