Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №10 Kimyo attestatsiya Kimyo attestatsiya №10 InfoMaster May 23, 2022 73 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. Quyida keltirilgan molekulalardan ularning tarkibidagi neytronning protonga nisbati birdan katta bo‘lganlarini tanlang. 1) H2 18 O; 2) 15 NH2 ; 3) 13 CO; 4) 15 N2 A) 2, 4 B) 2, 1 C) 3, 4 D) 1, 3 2 / 40 2. Cu(NO3)2 • 2H2O ni qattiq kuydirilganda hosil bo‘lgan qattiq moddaning molekulyar massasini toping. A) 80 B) 188 C) 160 D) 144 3 / 40 3. Mg(H2PO4) 2 ning 218 g 30 % li eritmasiga necha gramm 20 % li NaOH eritmasi qo'shilganda Mg2+ ionlarining barchasi Mg3(PO4) 2 ko‘rinishida cho‘kmaga tushadi? A) 240 B) 120 C) 60 D) 180 4 / 40 4. Qaysi atomdan elektron uzilishi uchun eng ko’p energiya sarf bo’ladi? A) Sb B) S C) As D) Sr 5 / 40 5. Juftlashmagan d-elektronlari eng ko’p elementni tanlang? A) Cr B) Fe C) Cu D) Co 6 / 40 6. Xlor atomida bor elektronning nechtasi fosfor atomida yo‘q va bu elektronlar uchun barcha kvant sonlari yig‘indisi nechaga teng. A) 1; 2,5 B) 2; 6,5 C) 1; 6 D) 2; 6 7 / 40 7. Qaysi elementning 2∙104 ta atomi 66,45∙10-23 kg keladi? A) oltin B) deyteriy C) simob D) neon 8 / 40 8. Metall, kovalent va ion bog‘lanishli moddalar ketma – ketligini toping. A) Sn, N2, H3РО4 B) Ag2S, O3, NaCl C) Сu, HCl, PH3 D) Bе, SO3, CaF2 9 / 40 9. Rasimda qaysi labaratorya usullar keltirilgan. A) 1-distillash,2-bug’latish,3-dekantatsiya, 4-filtirlash B) 1-dekantatsiya,2-distillash,3-bug’latish, 4-filtirlash C) 1-dekantatsiya,2-distillash,3-filtillash, 4-bug’latish D) 1-distillash,2-dekantatsiya,3-bug’latish, 4-filtirlash 10 / 40 10. Elektronning atomdan ajralishi uchun zarur bo’lgan energiya miqdoriga nima deyiladi? A) Ionlanish energiyasi B) oksidlanish darajasi C) to’g’ri javab yo’q D) elektronga moyillik 11 / 40 11. Nuklonlar nima? A) Radioaktiv zarracha B) to’g’ri javab yo’q C) Atom yadrosining tarkibi hisoblanadi D) Neytronning ikkinchi nomi 12 / 40 12. Olefinlarda nechi xil izomeriya mavjud? A) 3 xil B) 2 xil C) 4 xil D) 6 xil 13 / 40 13. 2 metilpropanning necha xil dixlorli xosilalari mavjud? A) 2 B) 9 C) 3 D) 4 14 / 40 14. Pentenning struktur va geometrik izomerlar soni nechtadan hisoblanadi? A) struktur - 1 ta, geometrik - 5 ta B) struktur - 5 ta, geometrik - 1 ta C) struktur - 5 ta, geometrik -5 ta D) to’g’ri javab yo’q 15 / 40 15. Pirogallol molekulasidagi sp2–s bog‘lar soni nechta? A) 4 ta B) 3 ta C) 2 ta D) 14 ta 16 / 40 16. Glukozani 5-uglerodini oksidlanish darajasini toping? A) nol B) to’g’ri javab yo’q C) 1 17 / 40 17. Moviy rangli gidroksid hosil qiladigan metal nomi? A) Ni B) Cu C) Fe D) to’g’ri javab yo’q 18 / 40 18. 1) I2 2) Br2 3) F2 4) Cl2 Ushbu moddalarni qaytaruvchilik xossalari ortib borish tartibida joylashtiring? A) to’g’ri javab yo’q B) 3, 4, 2, 1 C) 1, 2, 4, 3 D) 2. 3. 1, 4 19 / 40 19. Ruda gazi formulasini toping? A) N2O B) to’g’ri javab yo’q C) H2S 20 / 40 20. 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 21 / 40 21. Pog’onadagi maksimal elektronlar sonini topish formulasi? A) to’g’ri javab yo’q B) 2n2 C) 2n D) n-1 22 / 40 22. PF5 markaziy atomi qanday gibridlanishga ega? A) to’g’ri javab yo’q B) sp3d 23 / 40 23. Uch xil kislorod izotopidan foydalanib nechi xil ozon molekulasi olish mumkin? A) 9 B) 10 C) 12 D) 16 24 / 40 24. (H2O)9 da nechta vodorod bog’ bor? A) 15 B) 9 C) 16 D) 10 25 / 40 25. 1-buten olish uchun qaysi moddaga rux metalini ta`sir ettirish kerak? A) 1, 2 - dimetilxlorbutan B) 1, 3 - dimetilxlorbutan C) 1, 2 - dixlorbutan D) to’g’ri javab yo’q 26 / 40 26. Grinokit va kinovar molar massalari farqini toping? A) to’g’ri javab yo’q B) 105 C) 92 D) 89 27 / 40 27. Chumoli kislota va sirka kislota orasidagi bog’ni farqini toping? A) to’g’ri javab yo’q B) farq yo'q C) 2ta farq D) 3 ta farq 28 / 40 28. Elektron yadro atrofida ixtiyoriy orbitada emas balki fazoning uch o’lchamli qismidagina harakat qila oladi. Bu nazariya …… tegishli. A) Hund qoidasi ga B) to’g’ri javab yo’q C) Borning 1-postulati ga D) Pauli prinspi ga 29 / 40 29. Fenol sirka angidrid bilan qanday birikma hosil qiladi? A) to’g’ri javab yo’q B) CH3COOC6H5 + CH3COOH C) 2CH3COOC6H5 D) 2CH3COOH 30 / 40 30. 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) 1, 2, 3 D) to’g’ri javab yo’q 31 / 40 31. Murakkab efirlarning umumiy formulasini toping? A) to’g’ri javab yo’q B) CnH2n-2O2 C) CnH2nO D) CnH2nO2 32 / 40 32. Qaysi metallarning nitratlari termik parchalanganda metallarni o’zi chiqadi? A) H dan chapdagi metallar B) H dan o'ngdagi barcha metallar C) to’g’ri javab yo’q D) Cu 33 / 40 33. Zanjir reaksiyalarining borish mexanizmi. Kim kasf etgan? A) Konovalov B) Zinin C) Semyonov D) to’g’ri javab yo’q 34 / 40 34. Ftor elementining nechi xil oksidlanish darajasi bor? A) 1 B) to’g’ri javab yo’q 35 / 40 35. Xloridlardan xlor olish uchun marganetsning qanday birikmalaridan foydalaniladi? A) to’g’ri javab yo’q B) HMnO4, MnO C) K2MnO4, MnO D) KMnO4, MnO2 36 / 40 36. 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 37 / 40 37. Polivinilxloridning struktur zvenosini ko`rsating? A) -CH2CH2CH(Cl)- B) -CH2CH(Cl)- C) to’g’ri javab yo’q D) -CHCH(Cl)- 38 / 40 38. Izomeriya tushunchasini birinchi bo’lib kim aniqlagan? A) Berselius B) to’g’ri javab yo’q C) Butlerov D) Semyonov 39 / 40 39. Feromon tutqichlarining vazifasi nimadan iborat? A) Paxta zararkunandalariga qaarshi kurashda ishlatiladi B) Laboratoriyada idishlarni ushlab turish vazifasini bajaradi C) to’g’ri javab yo’q D) Organik reaksiyalarda oraliq modda hosil bo'lishi oldini oladi 40 / 40 40. Etan va etilendagi C atomlari oksidlanish darajasi yig‘indisini toping? A) nol B) to’g’ri javab yo’q C) 4 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
