Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №10 Kimyo attestatsiya Kimyo attestatsiya №10 InfoMaster May 23, 2022 95 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. CO2 va O2 iborat aralashmaga CO2 ning hajmiga teng bo`lgan miqdorda O2 qo`shilganda komponentlardagi elektron, proton, neytronlar yig`indisi soni tenglashgan bo`lsa dastlabki aralashmadagi O2 ning massa ulushini toping (%). A) 76.5 B) 21.42 C) 78.57 D) 23.5 2 / 40 2. Ma`lum moddaning nisbiy molekular massasi 28. Shu moddaning haqiqiy massasini ko`rsating. A) 4,648 ·10¯²³ B) 2,324·10¯²³ C) 28g/mol D) 28 m.a.b. 3 / 40 3. 51 g CS2 va S6 aralashmasi yetarli miqdordagi kislorodda yondirilganda 11 g CO2 tutgan gazlar aralashmasi olindi. Hosil bo’lgan gazlarning umumiy hajmini (l.n.sh) hisoblang. A) 67.2 B) 39.2 C) 44.8 D) 78.4 4 / 40 4. Kislorod atomining barcha eliktironlarning bosh kvant sonlari yig’indisini toping. A) 12 B) 8 C) 14 D) 2+1 5 / 40 5. Juftlashmagan d-elektronlari eng ko’p elementni tanlang? A) Cr B) Fe C) Cu D) Co 6 / 40 6. V valentli elementning oksidining molyar massasi 230 gr/mol bo’lsa shu elementning H li birikmasining molyar massasini aniqlang? A) 78 B) 32 C) 98 D) 64 7 / 40 7. 6,2 g X3(YO4)2 da 2,4 g X va 0,04 mol Y element bo’lsa noma’lum elementlarning nisbiy atom massalar ayirmasini aniqlang. A) 9 B) 8 C) 6 D) 3,6 8 / 40 8. Ozon (1) va olmos (2) ning kristall panjaralarini aniqlang. a) atom; b) molekular. A) 1–b; 2–b B) 1–a; 2–a C) 1–b; 2–a D) 1–a; 2–b 9 / 40 9. Cu+2 ioni CI- ionida o’zaro nechta elektironning 4 tala kivan soni ham bir xil? A) 18 B) 20 C) 16 D) 17 10 / 40 10. Izomeriya tushunchasini birinchi bo’lib kim aniqlagan? A) Berselius B) Butlerov C) to’g’ri javab yo’q D) Semyonov 11 / 40 11. 2,3 dimetilbutadiyen-1,3 ning asosiy zanjiridagi C atomlarining oksidlanish darajasi yig‘indisini ko‘rsating. A) 2 B) 2 12 / 40 12. 1-buten olish uchun qaysi moddaga rux metalini ta`sir ettirish kerak? A) 1, 2 - dixlorbutan B) to’g’ri javab yo’q C) 1, 2 - dimetilxlorbutan D) 1, 3 - dimetilxlorbutan 13 / 40 13. Xloridlardan xlor olish uchun marganetsning qanday birikmalaridan foydalaniladi? A) K2MnO4, MnO B) KMnO4, MnO2 C) to’g’ri javab yo’q D) HMnO4, MnO 14 / 40 14. Chumoli kislota va sirka kislota orasidagi bog’ni farqini toping? A) to’g’ri javab yo’q B) 2ta farq C) 3 ta farq D) farq yo'q 15 / 40 15. Atseton bilan propan kislota o’zaro qanday izomer hisoblanadi? A) sinflararo izomeriya B) to’g’ri javab yo’q C) tuzilish izomeriya D) fazoviy izomeriya 16 / 40 16. Kartoshka tarkibida qanday biopolimer bor. A) to’g’ri javab yo’q B) dekstrin C) glukoza D) kraxmal 17 / 40 17. 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 18 / 40 18. 2 metilpropanning necha xil dixlorli xosilalari mavjud? A) 9 B) 3 C) 2 D) 4 19 / 40 19. 2,2,3,4-tetrametilpentan tarkibidagi uglerod atomlarining oksidlanish darajalari yig`indisini toping? A) 5 B) 5 20 / 40 20. Quyidagi qatorning qaysi birida atom radiusi oshib boradi? 1) fosfor 2) oltingugurt 3) aluminiy 4) kremniy A) 1, 2, 3, 4, B) 3, 2, 1, 4 C) 2, 1, 4, 3 D) to’g’ri javab yo’q 21 / 40 21. Pog’onadagi maksimal elektronlar sonini topish formulasi? A) 2n2 B) 2n C) to’g’ri javab yo’q D) n-1 22 / 40 22. Malaxit molekulyar massasi? A) 255 B) 220 C) 222 D) 229 23 / 40 23. Uch xil kislorod izotopidan foydalanib nechi xil ozon molekulasi olish mumkin? A) 10 B) 12 C) 9 D) 16 24 / 40 24. Polivinilxloridning struktur zvenosini ko`rsating? A) -CH2CH(Cl)- B) -CHCH(Cl)- C) -CH2CH2CH(Cl)- D) to’g’ri javab yo’q 25 / 40 25. Zanjir reaksiyalarining borish mexanizmi. Kim kasf etgan? A) Zinin B) Semyonov C) to’g’ri javab yo’q D) Konovalov 26 / 40 26. PF5 markaziy atomi qanday gibridlanishga ega? A) to’g’ri javab yo’q B) sp3d 27 / 40 27. Ikki xil N2 va ikki xil H2 xil vodorodddan necha xil ammiak olinadi? A) 4 B) 8 C) 12 D) 15 28 / 40 28. 2-metilpropenga vodorod xlorid birikishi natijaisda qanday mahsulot hosil bo`ladi? A) 2, 2-dixlorpropan B) 2-xlorbuten C) 2-metil 2-xlorpropan D) to’g’ri javab yo’q 29 / 40 29. C5H10 tarkibga to’g’ri keladigan sikloalkanlarni belgilang? A) n-pentan B) to’g’ri javab yo’q C) 1,1 dimetil siklopropan D) metil siklopentan 30 / 40 30. 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 31 / 40 31. 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 32 / 40 32. Ftor elementining nechi xil oksidlanish darajasi bor? A) to’g’ri javab yo’q B) 1 33 / 40 33. Etan va etilendagi C atomlari oksidlanish darajasi yig‘indisini toping? A) to’g’ri javab yo’q B) nol C) 4 34 / 40 34. (H2O)9 da nechta vodorod bog’ bor? A) 16 B) 15 C) 9 D) 10 35 / 40 35. Glukozani 5-uglerodini oksidlanish darajasini toping? A) to’g’ri javab yo’q B) nol C) 1 36 / 40 36. Ruda gazi formulasini toping? A) N2O B) H2S C) to’g’ri javab yo’q 37 / 40 37. Fenol sirka angidrid bilan qanday birikma hosil qiladi? A) 2CH3COOC6H5 B) CH3COOC6H5 + CH3COOH C) to’g’ri javab yo’q D) 2CH3COOH 38 / 40 38. Pirogallol molekulasidagi sp2–s bog‘lar soni nechta? A) 4 ta B) 3 ta C) 2 ta D) 14 ta 39 / 40 39. Olefinlarda nechi xil izomeriya mavjud? A) 3 xil B) 6 xil C) 2 xil D) 4 xil 40 / 40 40. Feromon tutqichlarining vazifasi nimadan iborat? A) to’g’ri javab yo’q B) Laboratoriyada idishlarni ushlab turish vazifasini bajaradi C) Paxta zararkunandalariga qaarshi kurashda ishlatiladi D) Organik reaksiyalarda oraliq modda hosil bo'lishi oldini oladi 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
