Uy » Attestatsiya testlar » Kimyo attestatsiya » Kimyo attestatsiya №14 Kimyo attestatsiya Kimyo attestatsiya №14 InfoMaster Oktabr 24, 2022 132 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0% 0 12345678910111213141516171819202122232425262728293031323334353637383940 OMAD YOR BO'LSIN! Kimyo fanidan attestatsiya savollari №14 12.10.2022. Toshkent savollari 1 / 40 1. Berilgan yo'nalishda moddalar tarkibidagi elektron, proton va neytronlar yig'indisi qanday o'zgarishini aniqlang. a) kamayadi; b) ortadi; c) o'zgarmaydi A) 1a, 2a, 3b, 4a B) 3a, 4a, 1b, 2b C) 2b, 1b, 4b, 3c D) 4b, 3a, 2b, 1b 2 / 40 2. Vodorod, uglerod, azot, oltingugurt qanday birikmalarda manfiy oksidlanish darajasiga ega? A) idrid, karbid, nitrid, sulfit B) gidrat, karbonat, nitrid, sulfid C) gidrid, karbid, nitrid, sulfid D) gidrid, karbonat, nitrat, sulfat 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. 6,2 g X3(YO4)2 da 2,4 g X va 0,04 mol Y element bo’lsa noma’lum elementlarning nisbiy atom massalar ayirmasini aniqlang. A) 8 B) 6 C) 3,6 D) 9 5 / 40 5. Qaysi zarrachalar tarkibida elektrolar farqi 2 ga teng? A) Ca2+ va Cl+5 B) N3+ va P3+ C) Al+3 va N-3 D) S° va Cl⁻ 6 / 40 6. Amfoter gidroksidlar qatorini toping A) Zn(OH)2, Al(OH)3, Cr(OH)3 B) NaOH, Zn(OH)2, Cu(OH)2 C) Ca(OH)2, Fe(OH)2, Ba(OH)2 D) KOH, Mg(OH)2, Al(OH)3 7 / 40 7. Moviy rangli gidroksid hosil qiladigan metal nomi? A) Ni B) Fe C) Cu D) to’g’ri javab yo’q 8 / 40 8. 16 Tarkibida massa jihatdan28% Me 24%S va 48%O bo’lgan moddaning formulasini toping A) FeSO₄ B) Fe₂(SO₄ )₃ C) Cr₂(SO4 )₃ D) Na₂ SO₃ 9 / 40 9. 44,8 litr gazlar aralashmasining massasi 1 mol C4H10 massasiga teng. Shu aralashmaning havoga nisbatan zichligini aniqlang. A) 1 B) 1,5 C) 2 D) 2,5 10 / 40 10. Reaksiya tezligining temperatura koeffitsienti 3 ga teng. Reaksiya tezligini 81 marta oshirish uchun temperaturani necha gradus ko’tarish kerak? A) 70 B) 40 C) 50 D) 30 11 / 40 11. 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) 80.8 D) 21 12 / 40 12. 100 gr 40%li oleum eritmasiga 336 gr suv qòshildi. Hosil bòlgan eritmaning massa ulushini toping A) 25 B) 50 C) 35 D) 45 13 / 40 13. MnO2......... A) Kulrang qoramtir tusli qattiq modda B) Suvda erimaydigan yashil tusli kukun C) Qora tusli qattiq modda 14 / 40 14. Argentit formula? A) AgNO3 B) Ag2S C) Cu2S D) AgSO4 15 / 40 15. Mn3O4 ........ A) Qònģir tusli qattiq modda B) Suvda erimaydigan yashil tusli kukun 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) 72 B) 18 C) 144 D) 36 17 / 40 17. 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) 3 ta C) 2 ta D) 6 ta 18 / 40 18. 404,73 gr 10% li oltin(III)xlorid elektrolizida 2 A tok sarflangan bòlsa, ketgan vaqtni toping(sekundda) A) 96500 B) 27400 C) 19300 D) 400 19 / 40 19. C9H12 tarkibga ega bòlgan aromatik uglevodorodning izomerlari sonini kòrsating A) 7 B) 5 C) 6 D) 8 20 / 40 20. 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) 12.8 C) 64 D) 6.4 21 / 40 21. Pirolyuzitning 0,3 molining massasi? A) 261 B) 201 C) 26.1 D) 20.1 22 / 40 22. Qanday massadagi 20% li KOH eritmasiga 80 gr suv qòshilganda 8% li ishqor eritmasi hosil bòladi A) 53.33 B) 56 C) 58.33 D) 112 23 / 40 23. Mn2O7......... A) Yashil qònģir tusli moysimon suyuqlik B) Qora tusli qattiq modda C) Suvda erimaydigan yashil tusli kukun 24 / 40 24. 158 gr KMnO4 dan olingan kislorod ozonlandi. Olingan ozon KI eritmasidan òtkazilganda 50,8 gr I2 hosil bòldi. Ozonning hosil bòlish unumini toping A) 60 B) 80 C) 40 D) 20 25 / 40 25. Mn2O3........ A) Qònģir tusli qattiq modda B) Kulrang qoramtir tusli qattiq modda C) Yashil tusli kukun 26 / 40 26. Teng hajmda olingan azot va vodorod reaksiyasi natijasida 0,3 mol ammiak hosil bòlsa ortib qolgan gaz hajmini toping A) 2.24 B) 4.48 C) 6.72 D) 8.96 27 / 40 27. 2 M li H2SO3 ni normalligini hisoblang A) 4 B) 2 C) 0.2 D) 0.4 28 / 40 28. Propanol-2 dagi qutbli boģlarni qutbsiz boģlarga nisbatini toping A) 9;3 B) 2;3 C) 4,5;1 D) 2;4 29 / 40 29. Sintez gazi formulasi A) H2O B) CO+2H2 C) 2H2+O2 D) CH4 30 / 40 30. 125 gr 32% li NaOH eritmasini tayorlash uchun necha gr natriy kerak A) 32 B) 64 C) 23 D) 46 31 / 40 31. Etan va etilendagi uglerod atomlarining oksidlanish darajalari yiģindisini toping A) -8 B) -4 C) -10 D) -5 32 / 40 32. 18,8 gr H2SO4 eritmasida 2,2 NA atom bòlsa eritmadagi sulfat massasini toping A) 19.6 B) 98 C) 9.8 D) 196 33 / 40 33. Amfoter oksidlarni toping A) ZnO; CO2; Al2O3 B) ZnO; Cr2O3; Al2O3; C) Al2O3; Fe2O3; SO2 34 / 40 34. Marganesning amfoter oksidlari tarkibidagi atomlarning mol nisbati qanday bòladi A) 1;1 B) 2;3 C) 1;2 D) 3;4 35 / 40 35. MnO......... A) Suvda erimaydigan yashil tusli kukun B) Kulrang qoramtir tusli qattiq modda C) Yashil moysimon suyuqlik 36 / 40 36. Oltingugurtning oxirgi elektroni uchun barcha kvant sonlarini aniqlang(n; l; ml; ms tartibida) A) 3; 1; -1; -1/2 B) 3; 2; 0; +1/2 C) 3; 2; 1; +1/2 37 / 40 37. Qaysi birikmada uglerodning oksidlanish darajasi is gazidan yuqori? CO; COCl2; CH4; CaC2 A) CH4 B) CO C) COCl2 D) CaC2 38 / 40 38. Al(OH)3 va H2SO4 dan necha xil tuz hosil bòladi A) 5 B) 4 C) 3 D) 2 39 / 40 39. Propanol-2 dagi sp3, sp2 va sp gibridlangan orbitallar sonini toping A) 16;0;0 B) 4;0;0 C) 16;3;0 D) 4;3;0 40 / 40 40. Cr2(SO4)3 ekvivalenti? A) 65.33 B) 104 C) 392 D) 130.33 0% Testni qayta ishga tushiring Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz
