Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Oktabr 24, 2022 118 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. H₂SO₄ eritmasining (p=1,4 g/ml) foiz va molyar konsentratsiyalari nisbatini aniqlang. A) 7:1 B) 4:1 C) 1,4:1 D) 8,5:1 2 / 40 2. II valentli metall sulfidida oltingugurt bilan metallning masa nisbati 2:7 bo’lsa, Metallni aniqlang. A) Ba B) Mg C) Cd D) Cu 3 / 40 3. 254No → 234Cm + xα + ye ushbu yadro reaksiyasi asosida 10,16 mg nobeliy yemirili-shidan hosil bo‘lgan elektronlar sonini toping. A) 96,32∙10¹⁸ B) 18,06∙10¹⁸ C) 36,12∙10¹⁸ D) 12,04∙10¹⁸ 4 / 40 4. Ushbu ...3s23p63d14s0 elektron konfigu-ratsiya qaysi elementning E4+ ioniga tegishli? A) V B) Cr C) Co D) Fe 5 / 40 5. Qaysi moddalar qatorida elektron zichlik azot atomi tomon siljigan? A) N2O, NH3 B) NCl3, NO2 C) AlN, NH3 D) NO, NH3 6 / 40 6. Titanning (48Ti) absolyut massasini (g) hisoblang. (NA = 6·1023 mol-1). A) 8·10²³ B) 8·10²⁴ C) 8·10⁻²³ D) 8·10⁻²⁴ 7 / 40 7. Nuklonlar nima? A) Radioaktiv zarracha B) Atom yadrosining tarkibi hisoblanadi C) Neytronning ikkinchi nomi D) to’g’ri javab yo’q 8 / 40 8. 17 Uch valentli 26,4 gramm metall nitridining gidrolizida (MeN + 3H2 O → Me(OH)3+ NH3 ) hosil bo‘lgan moddalar 58,4 gramm HCl bilan reaksiyaga kirishishi ma’lum bo'lsa, Me ni toping. A) Fe B) Sc C) Cr D) Al 9 / 40 9. Quyidagi zarrachalarning qaysi birida elektronlarning neytronlarga nisbati eng kichik natural sondan katta? 1) NO+; 2) NH3; 3) H3O+; 4) SO4-2 A) 1, 3 B) faqat 4 C) 2, 3, 4 D) 2, 3 10 / 40 10. Gausmanit(Mn3O4)dan 27,5 g marganes olishda sarflanadigan Al massasini aniqlang. A) 16 B) 18 C) 12 D) 23 11 / 40 11. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 56 B) 58.33 C) 112 D) 53.33 12 / 40 12. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 27400 B) 96500 C) 19300 D) 400 13 / 40 13. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 1;1 B) 3;4 C) 2;3 D) 1;2 14 / 40 14. 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) 1 ta B) 2 ta C) 6 ta D) 3 ta 15 / 40 15. 158 gr KMnO4 dan olingan kislorod ozonlandi. Olingan ozon KI eritmasidan òtkazilganda 50,8 gr I2 hosil bòldi. Ozonning hosil bòlish unumini toping A) 20 B) 80 C) 40 D) 60 16 / 40 16. Mn2O3........ A) Yashil tusli kukun B) Kulrang qoramtir tusli qattiq modda C) Qònģir tusli qattiq modda 17 / 40 17. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CH4 B) CO C) CaC2 D) COCl2 18 / 40 18. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 6.72 B) 4.48 C) 8.96 D) 2.24 19 / 40 19. 4,4 gr CO2 gazi qizdirilgan uglerod orqali òtkazilganda uning yarmi tasirlashdi. Olingan gaz qizdirilgan CuO ustidan òtkazildi. Hosil bòlgan mis massasini toping A) 128 B) 6.4 C) 64 D) 12.8 20 / 40 20. Sintez gazi formulasi A) CH4 B) 2H2+O2 C) CO+2H2 D) H2O 21 / 40 21. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 46 B) 32 C) 64 D) 23 22 / 40 22. Mn3O4 ........ A) Suvda erimaydigan yashil tusli kukun B) Qònģir tusli qattiq modda C) Qora tusli qattiq modda 23 / 40 23. 2 M li H2SO3 ni normalligini hisoblang A) 2 B) 4 C) 0.2 D) 0.4 24 / 40 24. 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 25 / 40 25. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -10 B) -5 C) -8 D) -4 26 / 40 26. Pirolyuzitning 0,3 molining massasi? A) 26.1 B) 20.1 C) 201 D) 261 27 / 40 27. MnO......... A) Kulrang qoramtir tusli qattiq modda B) Yashil moysimon suyuqlik C) Suvda erimaydigan yashil tusli kukun 28 / 40 28. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 4,5;1 B) 2;4 C) 9;3 D) 2;3 29 / 40 29. Amfoter oksidlarni toping A) ZnO; Cr2O3; Al2O3; B) ZnO; CO2; Al2O3 C) Al2O3; Fe2O3; SO2 30 / 40 30. MnO2......... A) Kulrang qoramtir tusli qattiq modda B) Qora tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 31 / 40 31. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 9.8 B) 98 C) 196 D) 19.6 32 / 40 32. Cr2(SO4)3 ekvivalenti? A) 65.33 B) 392 C) 130.33 D) 104 33 / 40 33. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 7 B) 5 C) 8 D) 6 34 / 40 34. FeSO4+KMnO4+H2SO4--->Fe2(SO4)3+MnSO4+K2SO4+H2O reaksiyada 2 mol oksidlovchi sarflangan bòlsa necha gr suv hosil bòlgan A) 72 B) 36 C) 144 D) 18 35 / 40 35. 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) 9.03 B) 90.7 C) 21 D) 80.8 36 / 40 36. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 3 B) 5 C) 4 D) 2 37 / 40 37. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 16;0;0 B) 4;3;0 C) 16;3;0 D) 4;0;0 38 / 40 38. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 35 B) 45 C) 25 D) 50 39 / 40 39. Mn2O7......... A) Suvda erimaydigan yashil tusli kukun B) Yashil qònģir tusli moysimon suyuqlik C) Qora tusli qattiq modda 40 / 40 40. Argentit formula? A) Ag2S B) AgNO3 C) AgSO4 D) Cu2S 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
