Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №10 Kimyo attestatsiya Kimyo attestatsiya №10 InfoMaster May 23, 2022 53 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) 1 B) 2 C) 4 D) 3 2 / 40 2. Elementning oksidlanish darajasi -2 va +4 bo’lgan ionlaridagi elektronlari yig’indisi 30 ta bo’lsa, shu element atomidagi nuklonlar elektronlardan nechtaga ko’pligini toping. A) 16 B) 15 C) 17 D) 14 3 / 40 3. Ruteniy atomining elektron konfiguratsiyasini belgilang. ...5s24d6 ...4d65s0 ...4s24p64d75s1 ...4s24p64d55s2 A) 3 B) 4 C) 1 D) 2 4 / 40 4. FeSO₄ + K₂Cr₂O₇ + H₂SO₄ → reaksiyasini tugallang va o’ng tomondagi koeffitsientlar yig’indisini toping. A) 15 B) 16 C) 17 D) 12 5 / 40 5. Noma’lum element tarkibida 35,3% neytron (jami elementar zarrachaga nisbatan) mavjud. Undagi proton va elektronlar yig'indisi neytronlar rg'indisidan 10 taga ortiq bo'lsa, noma’lum eiementni aniqlang. A) Ne B) Na C) Br D) F 6 / 40 6. V valentli elementning oksidining molyar massasi 230 gr/mol bo’lsa shu elementning H li birikmasining molyar massasini aniqlang? A) 64 B) 78 C) 32 D) 98 7 / 40 7. Qaysi qator faqat valentligi o’zgaruvchan elementlardan iborat? A) C, Cr, Cu, P, S B) Cu, Ba, N, Cl,Br,Cr C) Ca, Cu, C, H, F, O D) K, C, S, N, P, Fe 8 / 40 8. C6H5CH2CH3+KMnO4 + H2SO4→ Oksidlanish-qaytarilish reaksiyasini tugallang hamda chap tomondagi koeffitsiyentlar yig‘indisini aniqlang. A) 35 B) 56 C) 84 D) 50 9 / 40 9. Amfoter gidroksidlar qatorini toping A) KOH, Mg(OH)2, Al(OH)3 B) NaOH, Zn(OH)2, Cu(OH)2 C) Ca(OH)2, Fe(OH)2, Ba(OH)2 D) Zn(OH)2, Al(OH)3, Cr(OH)3 10 / 40 10. 2,2,3,4-tetrametilpentan tarkibidagi uglerod atomlarining oksidlanish darajalari yig`indisini toping? A) 5 B) 5 11 / 40 11. Ftor elementining nechi xil oksidlanish darajasi bor? A) to’g’ri javab yo’q B) 1 12 / 40 12. Etan va etilendagi C atomlari oksidlanish darajasi yig‘indisini toping? A) nol B) to’g’ri javab yo’q C) 4 13 / 40 13. 1,4-dibrompentan natriy metali bilan reaksiyaga kirishganda qaysi modda hosil bo`ladi? A) metilsiklobutan B) siklobutan C) to’g’ri javab yo’q D) 1, 4 - dimetil pentan 14 / 40 14. Polivinilxloridning struktur zvenosini ko`rsating? A) to’g’ri javab yo’q B) -CH2CH(Cl)- C) -CH2CH2CH(Cl)- D) -CHCH(Cl)- 15 / 40 15. Ruda gazi formulasini toping? A) to’g’ri javab yo’q B) N2O C) H2S 16 / 40 16. Qaysi metallarning nitratlari termik parchalanganda metallarni o’zi chiqadi? A) H dan o'ngdagi barcha metallar B) to’g’ri javab yo’q C) H dan chapdagi metallar D) Cu 17 / 40 17. Pog’onadagi maksimal elektronlar sonini topish formulasi? A) n-1 B) to’g’ri javab yo’q C) 2n D) 2n2 18 / 40 18. Quyidagi qatorning qaysi birida atom radiusi oshib boradi? 1) fosfor 2) oltingugurt 3) aluminiy 4) kremniy A) 2, 1, 4, 3 B) 1, 2, 3, 4, C) to’g’ri javab yo’q D) 3, 2, 1, 4 19 / 40 19. Xloridlardan xlor olish uchun marganetsning qanday birikmalaridan foydalaniladi? A) to’g’ri javab yo’q B) K2MnO4, MnO C) HMnO4, MnO D) KMnO4, MnO2 20 / 40 20. 1) I2 2) Br2 3) F2 4) Cl2 Ushbu moddalarni qaytaruvchilik xossalari ortib borish tartibida joylashtiring? A) 2. 3. 1, 4 B) to’g’ri javab yo’q C) 3, 4, 2, 1 D) 1, 2, 4, 3 21 / 40 21. Feromon tutqichlarining vazifasi nimadan iborat? A) Laboratoriyada idishlarni ushlab turish vazifasini bajaradi B) to’g’ri javab yo’q C) Paxta zararkunandalariga qaarshi kurashda ishlatiladi D) Organik reaksiyalarda oraliq modda hosil bo'lishi oldini oladi 22 / 40 22. Chaqmoq chaqilganda qanday gaz ajraladi? A) NO2 va O2 B) NO va O3 C) N2 va H2 D) to’g’ri javab yo’q 23 / 40 23. Murakkab efirlarning umumiy formulasini toping? A) CnH2n-2O2 B) CnH2nO2 C) CnH2nO D) to’g’ri javab yo’q 24 / 40 24. (H2O)9 da nechta vodorod bog’ bor? A) 9 B) 15 C) 16 D) 10 25 / 40 25. Zanjir reaksiyalarining borish mexanizmi. Kim kasf etgan? A) to’g’ri javab yo’q B) Konovalov C) Semyonov D) Zinin 26 / 40 26. Glukozani 5-uglerodini oksidlanish darajasini toping? A) to’g’ri javab yo’q B) nol C) 1 27 / 40 27. Izomeriya tushunchasini birinchi bo’lib kim aniqlagan? A) to’g’ri javab yo’q B) Butlerov C) Semyonov D) Berselius 28 / 40 28. Fenol sirka angidrid bilan qanday birikma hosil qiladi? A) 2CH3COOC6H5 B) 2CH3COOH C) CH3COOC6H5 + CH3COOH D) to’g’ri javab yo’q 29 / 40 29. Olefinlarda nechi xil izomeriya mavjud? A) 4 xil B) 6 xil C) 3 xil D) 2 xil 30 / 40 30. 1-buten olish uchun qaysi moddaga rux metalini ta`sir ettirish kerak? A) 1, 2 - dixlorbutan B) 1, 2 - dimetilxlorbutan C) to’g’ri javab yo’q D) 1, 3 - dimetilxlorbutan 31 / 40 31. C5H10 tarkibga to’g’ri keladigan sikloalkanlarni belgilang? A) metil siklopentan B) n-pentan C) to’g’ri javab yo’q D) 1,1 dimetil siklopropan 32 / 40 32. Pirogallol molekulasidagi sp2–s bog‘lar soni nechta? A) 3 ta B) 14 ta C) 2 ta D) 4 ta 33 / 40 33. Malaxit molekulyar massasi? A) 222 B) 220 C) 229 D) 255 34 / 40 34. Atseton bilan propan kislota o’zaro qanday izomer hisoblanadi? A) sinflararo izomeriya B) tuzilish izomeriya C) to’g’ri javab yo’q D) fazoviy izomeriya 35 / 40 35. Elektronning atomdan ajralishi uchun zarur bo’lgan energiya miqdoriga nima deyiladi? A) Ionlanish energiyasi B) to’g’ri javab yo’q C) oksidlanish darajasi D) elektronga moyillik 36 / 40 36. PF5 markaziy atomi qanday gibridlanishga ega? A) sp3d B) to’g’ri javab yo’q 37 / 40 37. 2-metilpropenga vodorod xlorid birikishi natijaisda qanday mahsulot hosil bo`ladi? A) 2-xlorbuten B) to’g’ri javab yo’q C) 2-metil 2-xlorpropan D) 2, 2-dixlorpropan 38 / 40 38. Ikki xil N2 va ikki xil H2 xil vodorodddan necha xil ammiak olinadi? A) 4 B) 8 C) 15 D) 12 39 / 40 39. Pentenning struktur va geometrik izomerlar soni nechtadan hisoblanadi? A) to’g’ri javab yo’q B) struktur - 5 ta, geometrik -5 ta C) struktur - 5 ta, geometrik - 1 ta D) struktur - 1 ta, geometrik - 5 ta 40 / 40 40. Uch xil kislorod izotopidan foydalanib nechi xil ozon molekulasi olish mumkin? A) 12 B) 9 C) 16 D) 10 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
