Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №10 Kimyo attestatsiya Kimyo attestatsiya №10 InfoMaster May 23, 2022 42 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 0 0% 0 12345678910111213141516171819202122232425262728293031323334353637383940 OMAD YOR BO'LSIN! Kimyo fanidan attestatsiya savollari №10 2022-yil 30- mart Toshkent viloyatida tushgan savollari DIQQAT! Endi siz o'z bilmingizni sinab ko'rish bilan birga sertifikatga ham ega bo'lishingiz mumkin. Sertifikat olish uchun barcha ma'lumotlarni to'g'ri kriting! e-mail manzilini to'g'ri kriting, barcha ma'lumotlar sizga yuboriladi. Testda 76% va undan yuqori natija oling va sertifikatni yuklab oling. 1 / 40 1. spx ← spx+2 → spx+1 gibridlanish o`zgarishiga mos keluvchi qatorni toping. CH4 → C2 H2 → C2 H4 C2 H 6 ← C 2 H 2 ← C 2 H 4 C 2 H 6 ← C 2 H 2 → C 6 H 6 C 2 H 2 ← C 2 H 6 → C 2 H 4 A) 3 B) 2 C) 1 D) 4 2 / 40 2. Qaysi birikmada protonlar va neytronlar nisbati 5:3 ga teng. A) metan B) ammiak C) suv D) og’ir suv 3 / 40 3. Cr2(SO4)3+Cl2+NaOH→Na2CrO4+NaCl+Na2SO4+H2O reaksiyani tenglang va natriy tutgan birikmalar oldidagi koeffitsiyentlar yig’indisini toping. A) 27 B) 29 C) 24 D) 18 4 / 40 4. Mn⁺⁶ ioni va V valentli Cl atomidagi toq elektronlarni arbital kvant sonlarini yig’indisini toping. A) 10 B) 9 C) 7 D) 11 5 / 40 5. 1 mol Ca⁺² kationini hosil qilish uchun 140 kj energiya saflansa, Avogadro sonidan 4 marta ko’p elektron hosil qilish uchun qancha energiya(kj) talab etiladi? A) 140 B) 560 C) 70 D) 280 6 / 40 6. Fe2+, Fe3 + va Fe da nechta +1/2 spinli elektronlar bor? A) 14; 13; 15 B) 14; 14; 14 C) 14; 14; 15 D) 15; 15; 15 7 / 40 7. Titan va xrom atomlarida 3 d- pog’onachada nechtadan toq elektronlar va bo’sh orbitallar bor? A) titanda – 2,3; xromda – 4,1 B) titanda – 2,3; xromda – 5,0 C) titanda – 3,3; xromda – 2,2 D) titanda – 2,2; xromda – 3,3 8 / 40 8. X+1, X–3, X+5 zarrachalaridagi proton va elektronlar yig‘indisi 87 ga teng bo‘lsa, X elementning yuqori oksidi molar massasini (g/mol) hisoblang. A) 98 B) 151 C) 142 D) 230 9 / 40 9. Hava tarkibida necha foiz karbonat angidrid gazi bor ? A) 0,001 % B) 0,03 % C) 0,23% D) 1% 10 / 40 10. C5H10 tarkibga to’g’ri keladigan sikloalkanlarni belgilang? A) metil siklopentan B) to’g’ri javab yo’q C) 1,1 dimetil siklopropan D) n-pentan 11 / 40 11. Elektronning atomdan ajralishi uchun zarur bo’lgan energiya miqdoriga nima deyiladi? A) oksidlanish darajasi B) elektronga moyillik C) to’g’ri javab yo’q D) Ionlanish energiyasi 12 / 40 12. Ikki xil N2 va ikki xil H2 xil vodorodddan necha xil ammiak olinadi? A) 15 B) 8 C) 12 D) 4 13 / 40 13. 1,4-dibrompentan natriy metali bilan reaksiyaga kirishganda qaysi modda hosil bo`ladi? A) metilsiklobutan B) 1, 4 - dimetil pentan C) to’g’ri javab yo’q D) siklobutan 14 / 40 14. Zanjir reaksiyalarining borish mexanizmi. Kim kasf etgan? A) Semyonov B) Zinin C) Konovalov D) to’g’ri javab yo’q 15 / 40 15. Glukozani 5-uglerodini oksidlanish darajasini toping? A) 1 B) to’g’ri javab yo’q C) nol 16 / 40 16. Fenol sirka angidrid bilan qanday birikma hosil qiladi? A) 2CH3COOH B) CH3COOC6H5 + CH3COOH C) 2CH3COOC6H5 D) to’g’ri javab yo’q 17 / 40 17. Etan va etilendagi C atomlari oksidlanish darajasi yig‘indisini toping? A) to’g’ri javab yo’q B) 4 C) nol 18 / 40 18. Nuklonlar nima? A) Radioaktiv zarracha B) Atom yadrosining tarkibi hisoblanadi C) to’g’ri javab yo’q D) Neytronning ikkinchi nomi 19 / 40 19. Chaqmoq chaqilganda qanday gaz ajraladi? A) to’g’ri javab yo’q B) NO2 va O2 C) N2 va H2 D) NO va O3 20 / 40 20. Olefinlarda nechi xil izomeriya mavjud? A) 4 xil B) 6 xil C) 2 xil D) 3 xil 21 / 40 21. Murakkab efirlarning umumiy formulasini toping? A) CnH2n-2O2 B) to’g’ri javab yo’q C) CnH2nO D) CnH2nO2 22 / 40 22. 1) I2 2) Br2 3) F2 4) Cl2 Ushbu moddalarni qaytaruvchilik xossalari ortib borish tartibida joylashtiring? A) to’g’ri javab yo’q B) 1, 2, 4, 3 C) 3, 4, 2, 1 D) 2. 3. 1, 4 23 / 40 23. Chumoli kislota va sirka kislota orasidagi bog’ni farqini toping? A) 3 ta farq B) to’g’ri javab yo’q C) farq yo'q D) 2ta farq 24 / 40 24. Kartoshka tarkibida qanday biopolimer bor. A) glukoza B) to’g’ri javab yo’q C) dekstrin D) kraxmal 25 / 40 25. 2,2,3,4-tetrametilpentan tarkibidagi uglerod atomlarining oksidlanish darajalari yig`indisini toping? A) 5 B) 5 26 / 40 26. Dixromat ioni tarkibini nechta proton, neytron va elektronlar tashkil etadi? 1)104; 2)114; 3)112; 4)106 A) 2, 3, 4 B) 1, 3, 4 C) to’g’ri javab yo’q D) 1, 2, 3 27 / 40 27. Uch xil kislorod izotopidan foydalanib nechi xil ozon molekulasi olish mumkin? A) 12 B) 9 C) 16 D) 10 28 / 40 28. Ruda gazi formulasini toping? A) H2S B) N2O C) to’g’ri javab yo’q 29 / 40 29. Malaxit molekulyar massasi? A) 222 B) 255 C) 220 D) 229 30 / 40 30. Quyidagi qatorning qaysi birida atom radiusi oshib boradi? 1) fosfor 2) oltingugurt 3) aluminiy 4) kremniy A) 2, 1, 4, 3 B) to’g’ri javab yo’q C) 1, 2, 3, 4, D) 3, 2, 1, 4 31 / 40 31. Polivinilxloridning struktur zvenosini ko`rsating? A) to’g’ri javab yo’q B) -CH2CH(Cl)- C) -CH2CH2CH(Cl)- D) -CHCH(Cl)- 32 / 40 32. Moviy rangli gidroksid hosil qiladigan metal nomi? A) Fe B) Cu C) to’g’ri javab yo’q D) Ni 33 / 40 33. Pirogallol molekulasidagi sp2–s bog‘lar soni nechta? A) 14 ta B) 2 ta C) 3 ta D) 4 ta 34 / 40 34. Ftor elementining nechi xil oksidlanish darajasi bor? A) 1 B) to’g’ri javab yo’q 35 / 40 35. 2-metilpropenga vodorod xlorid birikishi natijaisda qanday mahsulot hosil bo`ladi? A) 2-xlorbuten B) 2-metil 2-xlorpropan C) 2, 2-dixlorpropan D) to’g’ri javab yo’q 36 / 40 36. Elektron yadro atrofida ixtiyoriy orbitada emas balki fazoning uch o’lchamli qismidagina harakat qila oladi. Bu nazariya …… tegishli. A) Pauli prinspi ga B) Borning 1-postulati ga C) Hund qoidasi ga D) to’g’ri javab yo’q 37 / 40 37. Izomeriya tushunchasini birinchi bo’lib kim aniqlagan? A) Berselius B) Semyonov C) Butlerov D) to’g’ri javab yo’q 38 / 40 38. Pentenning struktur va geometrik izomerlar soni nechtadan hisoblanadi? A) struktur - 5 ta, geometrik -5 ta B) struktur - 5 ta, geometrik - 1 ta C) struktur - 1 ta, geometrik - 5 ta D) to’g’ri javab yo’q 39 / 40 39. Grinokit va kinovar molar massalari farqini toping? A) 89 B) to’g’ri javab yo’q C) 92 D) 105 40 / 40 40. PF5 markaziy atomi qanday gibridlanishga ega? A) sp3d B) to’g’ri javab yo’q 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
