Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Oktabr 24, 2022 115 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0% 1 12345678910111213141516171819202122232425262728293031323334353637383940 OMAD YOR BO'LSIN! Kimyo fanidan attestatsiya savollari №14 12.10.2022. Toshkent savollari 1 / 40 1. Uchinchi eletron pag'onasida 14 ta electron bo’lmagan atom va ionlarni tanlang? 1) Co⁺³ 2) Cr 3) Fe⁺² 4) Ni⁺³ 5) Fe A) 1,3,5 B) 2,5 C) 2,4 D) 1,3,4 2 / 40 2. Vodorod, uglerod, azot, oltingugurt qanday birikmalarda manfiy oksidlanish darajasiga ega? A) idrid, karbid, nitrid, sulfit B) gidrid, karbid, nitrid, sulfid C) gidrid, karbonat, nitrat, sulfat D) gidrat, karbonat, nitrid, sulfid 3 / 40 3. 200 gr mis rudasi tarkibida 40% CuSO₄ bo’lsa ruda tarkibidagi misning massasnini aniqlang A) 16 B) 12 C) 32 D) 64 4 / 40 4. Ushbu ...3s23p63d14s0 elektron konfigu-ratsiya qaysi elementning E4+ ioniga tegishli? A) Co B) Cr C) V D) Fe 5 / 40 5. Is gazi va karbonat angidriddan iborat gazlar aralashmasida jami kislorod atomlarining massa ulushi 64% bo‘lsa, is gazining massa ulushini (%) hisoblang. A) 60 B) 44 C) 56 D) 40 6 / 40 6. Amfoter gidroksidlar qatorini toping A) KOH, Mg(OH)2, Al(OH)3 B) Ca(OH)2, Fe(OH)2, Ba(OH)2 C) NaOH, Zn(OH)2, Cu(OH)2 D) Zn(OH)2, Al(OH)3, Cr(OH)3 7 / 40 7. Murakkab efirlarning umumiy formulasini toping? A) CnH2nO2 B) CnH2nO C) to’g’ri javab yo’q D) CnH2n-2O2 8 / 40 8. HClO4 nechta sp3 orbital bor? A) 4 B) 16 C) 12 D) 8 9 / 40 9. x % li va (x+20)% li eritmalardan foydalanib necha foizli eritma tayyorlash mumkin emas? A) x+15 B) x+5 C) x+20 D) x+10 10 / 40 10. Quyidagi reaksiyada bosim 3 marta oshirilsa reaksiya tezligi necha marta oshadi? 2Fe(q) + 3Cl2(g) = 2FeCl3(q) A) 81 marta oshadi. B) 54 marta oshadi. C) 86 marta oshadi. D) 27 marta oshadi. 11 / 40 11. 2 M li H2SO3 ni normalligini hisoblang A) 0.4 B) 0.2 C) 2 D) 4 12 / 40 12. Mn2O7......... A) Suvda erimaydigan yashil tusli kukun B) Yashil qònģir tusli moysimon suyuqlik C) Qora tusli qattiq modda 13 / 40 13. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 4 B) 2 C) 3 D) 5 14 / 40 14. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 1;1 B) 2;3 C) 3;4 D) 1;2 15 / 40 15. Mn3O4 ........ A) Suvda erimaydigan yashil tusli kukun B) Qònģir tusli qattiq modda C) Qora tusli qattiq modda 16 / 40 16. FeSO4+KMnO4+H2SO4--->Fe2(SO4)3+MnSO4+K2SO4+H2O reaksiyada 2 mol oksidlovchi sarflangan bòlsa necha gr suv hosil bòlgan A) 36 B) 144 C) 18 D) 72 17 / 40 17. Amfoter oksidlarni toping A) ZnO; Cr2O3; Al2O3; B) Al2O3; Fe2O3; SO2 C) ZnO; CO2; Al2O3 18 / 40 18. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 23 B) 64 C) 46 D) 32 19 / 40 19. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 4;3;0 B) 4;0;0 C) 16;0;0 D) 16;3;0 20 / 40 20. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -10 B) -8 C) -5 D) -4 21 / 40 21. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 2.24 B) 6.72 C) 4.48 D) 8.96 22 / 40 22. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CaC2 B) COCl2 C) CO D) CH4 23 / 40 23. Mn2O3........ A) Qònģir tusli qattiq modda B) Kulrang qoramtir tusli qattiq modda C) Yashil tusli kukun 24 / 40 24. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 19300 B) 400 C) 27400 D) 96500 25 / 40 25. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 8 B) 7 C) 6 D) 5 26 / 40 26. MnO......... A) Kulrang qoramtir tusli qattiq modda B) Yashil moysimon suyuqlik C) Suvda erimaydigan yashil tusli kukun 27 / 40 27. Argentit formula? A) AgSO4 B) Ag2S C) AgNO3 D) Cu2S 28 / 40 28. 158 gr KMnO4 dan olingan kislorod ozonlandi. Olingan ozon KI eritmasidan òtkazilganda 50,8 gr I2 hosil bòldi. Ozonning hosil bòlish unumini toping A) 40 B) 20 C) 80 D) 60 29 / 40 29. Cr2(SO4)3 ekvivalenti? A) 65.33 B) 130.33 C) 392 D) 104 30 / 40 30. Pirolyuzitning 0,3 molining massasi? A) 261 B) 26.1 C) 201 D) 20.1 31 / 40 31. Oltingugurtning oxirgi elektroni uchun barcha kvant sonlarini aniqlang(n; l; ml; ms tartibida) A) 3; 2; 0; +1/2 B) 3; 2; 1; +1/2 C) 3; 1; -1; -1/2 32 / 40 32. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 2;3 B) 4,5;1 C) 9;3 D) 2;4 33 / 40 33. D(H2)=15,5 bòlgan CO va O2 aralashmasi yondirildi. Malum vaqtdan keyin kislorodning 10% qismi tasirlashdi. Yakuniy gazlar aralashmasidagi CO ning massa ulushini anqlang A) 80.8 B) 90.7 C) 21 D) 9.03 34 / 40 34. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 112 B) 56 C) 53.33 D) 58.33 35 / 40 35. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 25 B) 35 C) 50 D) 45 36 / 40 36. 0,2 mol fenol brom bilan reaksiyaga kirishganda reaksiyadan sòng 48,6 gr galogenvodorod hosil bòlgan bòlsa fenol halqasidagi vodorod bilan òrin almashgan atomlar miqdorini toping A) 6 ta B) 3 ta C) 1 ta D) 2 ta 37 / 40 37. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 98 B) 9.8 C) 19.6 D) 196 38 / 40 38. Sintez gazi formulasi A) H2O B) 2H2+O2 C) CH4 D) CO+2H2 39 / 40 39. 4,4 gr CO2 gazi qizdirilgan uglerod orqali òtkazilganda uning yarmi tasirlashdi. Olingan gaz qizdirilgan CuO ustidan òtkazildi. Hosil bòlgan mis massasini toping A) 64 B) 128 C) 6.4 D) 12.8 40 / 40 40. MnO2......... A) Qora tusli qattiq modda B) Kulrang qoramtir tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
