Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №10 Kimyo attestatsiya Kimyo attestatsiya №10 InfoMaster May 23, 2022 67 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. Rb qaysi izotopi uzoq vaqtgacha yashaydigan barqaror radiaktiv izotop hisoblanadi? 86Rb 85 Rb 88 Rb 87 Rb A) 1 B) 3 C) 2 D) 4 2 / 40 2. 24 g X2O3 va 33,6 g XO birikmasidagi kislorod massalari teng bo’lsa, X ning nisbiy atom massasini toping. A) 96 B) 48 C) 32 D) 56 3 / 40 3. Rаdiоаktivliкni kim оchgаn? A) А.Bеkkеrеl; B) K.Rеntgеn; C) Dj.Tоmsоn; D) D.Ivаnеnkо 4 / 40 4. H₂SO₄ eritmasining (p=1,4 g/ml) foiz va molyar konsentratsiyalari nisbatini aniqlang. A) 7:1 B) 1,4:1 C) 4:1 D) 8,5:1 5 / 40 5. MgHPO3 va NaH2PO2 dagi ion bog’lar soni mos ravishda 1:10 nisbatda bo’lsa, tuzlardagi atomlar nisbatini aniqlang? A) 10:1 B) 20:1 C) 1:20 D) 1:5 6 / 40 6. Reaksiyaning tezligini 81 marta oshirish uchun temperaturani 80±C dan necha gradusgacha ko‘tarish kerak (° = 3)? A) 120 B) 80 C) 160 D) 100 7 / 40 7. Elektronning yadroga qulashi natijasida qanday o’zgarish kuzatiladi? 1) neytron protonga aylanadi; 2) proton neytronga aylanadi; 3) yadro zaryadi ortadi; 4) yadro zaryadi kamayadi. A) 1, 3 B) 1, 2 C) 2, 4 D) 2, 3 8 / 40 8. HF va ozondan iborat gazlar aralashmasidagi moddalar mos ravishda 1,204·10²³ va 0,72•NA dona neytronga ega bo‘lsa, gazlar aralashmasining molar massasini (g/mol) hisoblang. A) 39.4 B) 28.8 C) 36.8 D) 41.9 9 / 40 9. Noma’lum III valentli oksidining ekvivalent molyar massasi 12,667 ga teng bo’lsa, nom’alum elementni aniqlang. A) azot B) magniy C) kalsiy D) alyuminiy 10 / 40 10. Chaqmoq chaqilganda qanday gaz ajraladi? A) NO va O3 B) to’g’ri javab yo’q C) NO2 va O2 D) N2 va H2 11 / 40 11. Malaxit molekulyar massasi? A) 220 B) 222 C) 255 D) 229 12 / 40 12. Dixromat ioni tarkibini nechta proton, neytron va elektronlar tashkil etadi? 1)104; 2)114; 3)112; 4)106 A) 1, 3, 4 B) 1, 2, 3 C) to’g’ri javab yo’q D) 2, 3, 4 13 / 40 13. PF5 markaziy atomi qanday gibridlanishga ega? A) sp3d B) to’g’ri javab yo’q 14 / 40 14. Zanjir reaksiyalarining borish mexanizmi. Kim kasf etgan? A) Semyonov B) to’g’ri javab yo’q C) Konovalov D) Zinin 15 / 40 15. Pentenning struktur va geometrik izomerlar soni nechtadan hisoblanadi? A) struktur - 5 ta, geometrik - 1 ta B) to’g’ri javab yo’q C) struktur - 1 ta, geometrik - 5 ta D) struktur - 5 ta, geometrik -5 ta 16 / 40 16. Glukozani 5-uglerodini oksidlanish darajasini toping? A) to’g’ri javab yo’q B) nol C) 1 17 / 40 17. Elektron yadro atrofida ixtiyoriy orbitada emas balki fazoning uch o’lchamli qismidagina harakat qila oladi. Bu nazariya …… tegishli. A) Hund qoidasi ga B) Borning 1-postulati ga C) Pauli prinspi ga D) to’g’ri javab yo’q 18 / 40 18. Etan va etilendagi C atomlari oksidlanish darajasi yig‘indisini toping? A) 4 B) nol C) to’g’ri javab yo’q 19 / 40 19. Olefinlarda nechi xil izomeriya mavjud? A) 2 xil B) 6 xil C) 4 xil D) 3 xil 20 / 40 20. 2,2,3,4-tetrametilpentan tarkibidagi uglerod atomlarining oksidlanish darajalari yig`indisini toping? A) 5 B) 5 21 / 40 21. Quyidagi qatorning qaysi birida atom radiusi oshib boradi? 1) fosfor 2) oltingugurt 3) aluminiy 4) kremniy A) 3, 2, 1, 4 B) to’g’ri javab yo’q C) 2, 1, 4, 3 D) 1, 2, 3, 4, 22 / 40 22. Ruda gazi formulasini toping? A) N2O B) H2S C) to’g’ri javab yo’q 23 / 40 23. Nuklonlar nima? A) Neytronning ikkinchi nomi B) Radioaktiv zarracha C) to’g’ri javab yo’q D) Atom yadrosining tarkibi hisoblanadi 24 / 40 24. 1) I2 2) Br2 3) F2 4) Cl2 Ushbu moddalarni qaytaruvchilik xossalari ortib borish tartibida joylashtiring? A) to’g’ri javab yo’q B) 2. 3. 1, 4 C) 1, 2, 4, 3 D) 3, 4, 2, 1 25 / 40 25. Feromon tutqichlarining vazifasi nimadan iborat? A) to’g’ri javab yo’q B) Organik reaksiyalarda oraliq modda hosil bo'lishi oldini oladi C) Laboratoriyada idishlarni ushlab turish vazifasini bajaradi D) Paxta zararkunandalariga qaarshi kurashda ishlatiladi 26 / 40 26. 1,4-dibrompentan natriy metali bilan reaksiyaga kirishganda qaysi modda hosil bo`ladi? A) to’g’ri javab yo’q B) metilsiklobutan C) siklobutan D) 1, 4 - dimetil pentan 27 / 40 27. Qaysi metallarning nitratlari termik parchalanganda metallarni o’zi chiqadi? A) H dan o'ngdagi barcha metallar B) Cu C) to’g’ri javab yo’q D) H dan chapdagi metallar 28 / 40 28. Murakkab efirlarning umumiy formulasini toping? A) CnH2n-2O2 B) to’g’ri javab yo’q C) CnH2nO D) CnH2nO2 29 / 40 29. 1-buten olish uchun qaysi moddaga rux metalini ta`sir ettirish kerak? A) 1, 3 - dimetilxlorbutan B) to’g’ri javab yo’q C) 1, 2 - dimetilxlorbutan D) 1, 2 - dixlorbutan 30 / 40 30. Xloridlardan xlor olish uchun marganetsning qanday birikmalaridan foydalaniladi? A) KMnO4, MnO2 B) HMnO4, MnO C) K2MnO4, MnO D) to’g’ri javab yo’q 31 / 40 31. Pirogallol molekulasidagi sp2–s bog‘lar soni nechta? A) 3 ta B) 4 ta C) 2 ta D) 14 ta 32 / 40 32. Izomeriya tushunchasini birinchi bo’lib kim aniqlagan? A) Berselius B) Semyonov C) Butlerov D) to’g’ri javab yo’q 33 / 40 33. Elektronning atomdan ajralishi uchun zarur bo’lgan energiya miqdoriga nima deyiladi? A) oksidlanish darajasi B) elektronga moyillik C) Ionlanish energiyasi D) to’g’ri javab yo’q 34 / 40 34. 2 metilpropanning necha xil dixlorli xosilalari mavjud? A) 9 B) 4 C) 2 D) 3 35 / 40 35. Ftor elementining nechi xil oksidlanish darajasi bor? A) 1 B) to’g’ri javab yo’q 36 / 40 36. 2,3 dimetilbutadiyen-1,3 ning asosiy zanjiridagi C atomlarining oksidlanish darajasi yig‘indisini ko‘rsating. A) 2 B) 2 37 / 40 37. Polivinilxloridning struktur zvenosini ko`rsating? A) to’g’ri javab yo’q B) -CH2CH2CH(Cl)- C) -CH2CH(Cl)- D) -CHCH(Cl)- 38 / 40 38. Ikki xil N2 va ikki xil H2 xil vodorodddan necha xil ammiak olinadi? A) 8 B) 4 C) 15 D) 12 39 / 40 39. (H2O)9 da nechta vodorod bog’ bor? A) 16 B) 9 C) 15 D) 10 40 / 40 40. Pog’onadagi maksimal elektronlar sonini topish formulasi? A) to’g’ri javab yo’q B) n-1 C) 2n D) 2n2 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
