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. Quyidagi elementlardan qaysi binning d- elektronlari soni eng ko'p? A) Rh B) Pt C) Mo D) Pd + 2 / 40 2. Vodorod, uglerod, azot, oltingugurt qanday birikmalarda manfiy oksidlanish darajasiga ega? A) gidrat, karbonat, nitrid, sulfid B) gidrid, karbonat, nitrat, sulfat C) idrid, karbid, nitrid, sulfit D) gidrid, karbid, nitrid, sulfid 3 / 40 3. 400 gr 10% li CuSO₄ eritmasi tarkibida necha gr e bor? (e=0,00055) A) 0,12 B) 0,36 C) 0,2 D) 0,24 4 / 40 4. xMn va yCr atomlari o’zaro izoton bo’lsa, X va Y lar uchun quyidagi munosabatlardan qaysi biri o’rinli hisoblanadi? A) y=x+1 B) x=y-1 C) x=y+1 D) y=x 5 / 40 5. Metall, kovalent va ion bog‘lanishli moddalar ketma – ketligini toping. A) Sn, N2, H3РО4 B) Bе, SO3, CaF2 C) Ag2S, O3, NaCl D) Сu, HCl, PH3 6 / 40 6. Amfoter gidroksidlar qatorini toping A) Zn(OH)2, Al(OH)3, Cr(OH)3 B) KOH, Mg(OH)2, Al(OH)3 C) Ca(OH)2, Fe(OH)2, Ba(OH)2 D) NaOH, Zn(OH)2, Cu(OH)2 7 / 40 7. Polivinilxloridning struktur zvenosini ko`rsating? A) to’g’ri javab yo’q B) -CH2CH(Cl)- C) -CHCH(Cl)- D) -CH2CH2CH(Cl)- 8 / 40 8. 10 min davomida modda konsentratsiyasi 78 mol/l dan 18 mol/l gacha kamaygan. Reaksiyaning o`rtacha tezligini toping. (mol/l.sek.) A) 0,2 B) 0,01 C) 0,1 D) 6 9 / 40 9. nA(g) +(n+1)B(g) +(n+2)C(g) → ... sistemada bosim 2 marta oshirilganda to‘g‘ri reaksiya tezligi 512 marta ortsa, n ning qiymatini aniqlang. A) 1 B) 4 C) 3 D) 2 10 / 40 10. 0,3 mol o-ksilolning yonishidan ajralib chiqqan CO2 natriy gidroksidning 20% li 480g eritmasi bilan reaksiyasi natijasida hosil bo’lgan nordon tuz masasini toping. A) 204,9 gr B) 134,8 gr C) 201,6 gr D) 129,5 gr 11 / 40 11. 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) 1 ta B) 2 ta C) 3 ta D) 6 ta 12 / 40 12. 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) 21 B) 90.7 C) 9.03 D) 80.8 13 / 40 13. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 6.72 B) 2.24 C) 4.48 D) 8.96 14 / 40 14. 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 15 / 40 15. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -5 B) -4 C) -8 D) -10 16 / 40 16. Argentit formula? A) AgNO3 B) Ag2S C) Cu2S D) AgSO4 17 / 40 17. 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) 40 C) 80 D) 20 18 / 40 18. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 58.33 B) 56 C) 112 D) 53.33 19 / 40 19. 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 20 / 40 20. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 5 B) 7 C) 8 D) 6 21 / 40 21. Mn2O3........ A) Kulrang qoramtir tusli qattiq modda B) Qònģir tusli qattiq modda C) Yashil tusli kukun 22 / 40 22. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 25 B) 50 C) 45 D) 35 23 / 40 23. Pirolyuzitning 0,3 molining massasi? A) 201 B) 26.1 C) 261 D) 20.1 24 / 40 24. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 400 B) 19300 C) 96500 D) 27400 25 / 40 25. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 5 B) 2 C) 3 D) 4 26 / 40 26. Cr2(SO4)3 ekvivalenti? A) 392 B) 65.33 C) 104 D) 130.33 27 / 40 27. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 19.6 B) 9.8 C) 196 D) 98 28 / 40 28. Mn3O4 ........ A) Qònģir tusli qattiq modda B) Qora tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 29 / 40 29. MnO2......... A) Kulrang qoramtir tusli qattiq modda B) Suvda erimaydigan yashil tusli kukun C) Qora tusli qattiq modda 30 / 40 30. MnO......... A) Suvda erimaydigan yashil tusli kukun B) Kulrang qoramtir tusli qattiq modda C) Yashil moysimon suyuqlik 31 / 40 31. FeSO4+KMnO4+H2SO4--->Fe2(SO4)3+MnSO4+K2SO4+H2O reaksiyada 2 mol oksidlovchi sarflangan bòlsa necha gr suv hosil bòlgan A) 144 B) 36 C) 18 D) 72 32 / 40 32. 2 M li H2SO3 ni normalligini hisoblang A) 4 B) 0.4 C) 0.2 D) 2 33 / 40 33. Sintez gazi formulasi A) H2O B) CH4 C) CO+2H2 D) 2H2+O2 34 / 40 34. Amfoter oksidlarni toping A) ZnO; Cr2O3; Al2O3; B) ZnO; CO2; Al2O3 C) Al2O3; Fe2O3; SO2 35 / 40 35. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CH4 B) COCl2 C) CO D) CaC2 36 / 40 36. Mn2O7......... A) Suvda erimaydigan yashil tusli kukun B) Yashil qònģir tusli moysimon suyuqlik C) Qora tusli qattiq modda 37 / 40 37. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 46 B) 64 C) 23 D) 32 38 / 40 38. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 1;1 B) 3;4 C) 1;2 D) 2;3 39 / 40 39. 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) 128 C) 6.4 D) 64 40 / 40 40. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 4,5;1 B) 2;3 C) 9;3 D) 2;4 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
