Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №10 Kimyo attestatsiya Kimyo attestatsiya №10 InfoMaster May 23, 2022 44 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. CH4 , NH3 va H2 O molekulalar uchun quyidagi qaysi xususiyat(lar) umumiy? 1) molekulaning fazoviy strukturasi; 2) markaziy atom valentligi; 3) valent burchak qiymati; 4) markaziy atomning gibridlanishi A) 2, 3, 4 B) 4 C) 2, 3 D) 1 2 / 40 2. Ma`lum moddaning nisbiy molekular massasi 28. Shu moddaning haqiqiy massasini ko`rsating. A) 4,648 ·10¯²³ B) 28 m.a.b. C) 2,324·10¯²³ D) 28g/mol 3 / 40 3. Qaysi birikmalarda metallning oksidlanish darajasi +2 ga teng? 1) MePO4 2) MeHPO4 3) (MeOH)2SO4 4) MeHSO4 A) 1.4 B) 2.3 C) 2.4 D) 1.3 4 / 40 4. Fosfor (III) oksid va fosfor (V) oksidlari qanday (mol) nisbatda olingands ulardagi atomlar soni 5:1 nisbatda bo'ladi? A) 5:l B) 3:2 C) 1:1 D) 7:1 5 / 40 5. 4 mol litiyning massasi qaysi metallning 0,5 molidan 8 g og‘ir? A) Ca B) Mg C) Be D) Al 6 / 40 6. Molekulyar tuzilishli moddalarga dastlabki ta’rifni qaysi olim bergan? A) J.Dalton B) J.Lui Prust C) R.Boyl D) Kurnakov 7 / 40 7. Elektron pog‘onachasida maksimal 22 ta elektron bo‘lgan orbitalning orbital kvant sonini aniqlang. A) 5 B) 7 C) 4 D) 6 8 / 40 8. Molar massasi 86 g/mol bo‘lgan uglevodorodning ikkilamchi uglerod tutgan izomerlar soni eng ko‘pida nechta? A) 5 B) 3 C) 4 D) 2 9 / 40 9. Suratda keltirilgan jihozni nomini belgilang A) Menzurkalar B) O’chov silindirlari C) Sovutkich D) Byrutkalar 10 / 40 10. 2,2,3,4-tetrametilpentan tarkibidagi uglerod atomlarining oksidlanish darajalari yig`indisini toping? A) 5 B) 5 11 / 40 11. Quyidagi qatorning qaysi birida atom radiusi oshib boradi? 1) fosfor 2) oltingugurt 3) aluminiy 4) kremniy A) 1, 2, 3, 4, B) to’g’ri javab yo’q C) 2, 1, 4, 3 D) 3, 2, 1, 4 12 / 40 12. Murakkab efirlarning umumiy formulasini toping? A) to’g’ri javab yo’q B) CnH2n-2O2 C) CnH2nO2 D) CnH2nO 13 / 40 13. Dixromat ioni tarkibini nechta proton, neytron va elektronlar tashkil etadi? 1)104; 2)114; 3)112; 4)106 A) 2, 3, 4 B) 1, 2, 3 C) 1, 3, 4 D) to’g’ri javab yo’q 14 / 40 14. Pirogallol molekulasidagi sp2–s bog‘lar soni nechta? A) 2 ta B) 14 ta C) 3 ta D) 4 ta 15 / 40 15. Polivinilxloridning struktur zvenosini ko`rsating? A) -CH2CH(Cl)- B) -CH2CH2CH(Cl)- C) to’g’ri javab yo’q D) -CHCH(Cl)- 16 / 40 16. Izomeriya tushunchasini birinchi bo’lib kim aniqlagan? A) to’g’ri javab yo’q B) Butlerov C) Berselius D) Semyonov 17 / 40 17. Kartoshka tarkibida qanday biopolimer bor. A) to’g’ri javab yo’q B) dekstrin C) glukoza D) kraxmal 18 / 40 18. 2 metilpropanning necha xil dixlorli xosilalari mavjud? A) 2 B) 9 C) 3 D) 4 19 / 40 19. Ftor elementining nechi xil oksidlanish darajasi bor? A) to’g’ri javab yo’q B) 1 20 / 40 20. 2,3 dimetilbutadiyen-1,3 ning asosiy zanjiridagi C atomlarining oksidlanish darajasi yig‘indisini ko‘rsating. A) 2 B) 2 21 / 40 21. Ruda gazi formulasini toping? A) N2O B) to’g’ri javab yo’q C) H2S 22 / 40 22. Fenol sirka angidrid bilan qanday birikma hosil qiladi? A) to’g’ri javab yo’q B) 2CH3COOH C) 2CH3COOC6H5 D) CH3COOC6H5 + CH3COOH 23 / 40 23. Zanjir reaksiyalarining borish mexanizmi. Kim kasf etgan? A) to’g’ri javab yo’q B) Semyonov C) Konovalov D) Zinin 24 / 40 24. Qaysi metallarning nitratlari termik parchalanganda metallarni o’zi chiqadi? A) H dan chapdagi metallar B) to’g’ri javab yo’q C) Cu D) H dan o'ngdagi barcha metallar 25 / 40 25. Malaxit molekulyar massasi? A) 255 B) 220 C) 222 D) 229 26 / 40 26. Chumoli kislota va sirka kislota orasidagi bog’ni farqini toping? A) 2ta farq B) farq yo'q C) 3 ta farq D) to’g’ri javab yo’q 27 / 40 27. Moviy rangli gidroksid hosil qiladigan metal nomi? A) Cu B) to’g’ri javab yo’q C) Ni D) Fe 28 / 40 28. Nuklonlar nima? A) Radioaktiv zarracha B) to’g’ri javab yo’q C) Atom yadrosining tarkibi hisoblanadi D) Neytronning ikkinchi nomi 29 / 40 29. Glukozani 5-uglerodini oksidlanish darajasini toping? A) 1 B) to’g’ri javab yo’q C) nol 30 / 40 30. Elektron yadro atrofida ixtiyoriy orbitada emas balki fazoning uch o’lchamli qismidagina harakat qila oladi. Bu nazariya …… tegishli. A) to’g’ri javab yo’q B) Borning 1-postulati ga C) Hund qoidasi ga D) Pauli prinspi ga 31 / 40 31. 1-buten olish uchun qaysi moddaga rux metalini ta`sir ettirish kerak? A) 1, 3 - dimetilxlorbutan B) 1, 2 - dixlorbutan C) 1, 2 - dimetilxlorbutan D) to’g’ri javab yo’q 32 / 40 32. (H2O)9 da nechta vodorod bog’ bor? A) 15 B) 10 C) 16 D) 9 33 / 40 33. 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 34 / 40 34. Xloridlardan xlor olish uchun marganetsning qanday birikmalaridan foydalaniladi? A) K2MnO4, MnO B) to’g’ri javab yo’q C) HMnO4, MnO D) KMnO4, MnO2 35 / 40 35. Grinokit va kinovar molar massalari farqini toping? A) 89 B) to’g’ri javab yo’q C) 105 D) 92 36 / 40 36. 1) I2 2) Br2 3) F2 4) Cl2 Ushbu moddalarni qaytaruvchilik xossalari ortib borish tartibida joylashtiring? A) 2. 3. 1, 4 B) 3, 4, 2, 1 C) 1, 2, 4, 3 D) to’g’ri javab yo’q 37 / 40 37. Pog’onadagi maksimal elektronlar sonini topish formulasi? A) to’g’ri javab yo’q B) n-1 C) 2n2 D) 2n 38 / 40 38. Uch xil kislorod izotopidan foydalanib nechi xil ozon molekulasi olish mumkin? A) 12 B) 10 C) 16 D) 9 39 / 40 39. Pentenning struktur va geometrik izomerlar soni nechtadan hisoblanadi? A) struktur - 1 ta, geometrik - 5 ta B) to’g’ri javab yo’q C) struktur - 5 ta, geometrik - 1 ta D) struktur - 5 ta, geometrik -5 ta 40 / 40 40. Etan va etilendagi C atomlari oksidlanish darajasi yig‘indisini toping? A) to’g’ri javab yo’q B) nol C) 4 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
