46f6f10f168c2b08cbc810fcb57567e5
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Scroll down 👇![kimyo fanidan namunaviy test topshiriqlari (ytest.uz) kimyo 1. [1,3 ball ] temir (iii)- gidroksofosfat tarkibida fosfor va temir atomlari nisbatini toping. a) 3:2 b) 2:3 c) 1:3 d) 2:1 2. [2,2 ball ] x+4 ning elektron konfiguratsiyasi …. 3p6 • 4s2 • 3d10 bo’lsa, x elementini aniqlang. a) se b) br c) as d) ge 3. [2,2 ball ] h2o2 + crcl3 + koh= k2cro4 + kcl + h2o ushbu reaksiyani tenglashtiring. reaksiyda koeffitsiyentlar yig’indisi nechchiga teng? a) 23 b) 28 c) 31 d) 19 kimyo fanidan namunaviy test topshiriqlari (ytest.uz) 4. [1,3 ball ] tarkibida qutbsiz kovalent bog’lanish mavjud bo’lgan birikmalarni ko’rsating. a) ozon, oltingugurt (iv)- oksid, karborund. b) kalsiy karbid, ruh xlorid, uglerod (iv)-oksid. c) vodorod peroksid, fosfin, metan. d) sirka kislota, sirka aldegid, azot gazi. 5. [2,2 ball ] quyidagi elementlar juftliklari orasida elektromanfiylik qiymati 0.1 dan kam qiymatga farq qiladiganini belgilang. a) po va pb b) …](/media/previews/pages/p1_291073.webp "46f6f10f168c2b08cbc810fcb57567e5 - Page 1")
![necha gr suv qo’shish kerak. a) 400 gr b) 600 gr c) 800 gr d) 500 gr kimyo fanidan namunaviy test topshiriqlari (ytest.uz) 12. [1,3 ball ] sulfat kislotaning 25 % li eritmasi ( p=1.176 gr/ml) molyar konsentratsiyasini hisoblang. a) 1.5 m b) 2 m c) 3 m d) 2.5 m 13. [2,2 ball ] reaksiya tezligi tezligi 50 º c da 1.5 mol/l • min ga teng. shu reaksiyaning 80º dagi tezligini aniqlang. ( harorat koeffitsiyenti 2) a) 9 mol/l•min b) 6 mol/l•min c) 15 mol/l•min d) 12 mol/l•min 14. [1,3 ball ] temirning zararkunandalarga qarshi kurashda ishlatiladigan ishlatiladigan birikmalarini ko’rsating. a) feso4 • 2h2o b) fe(ncs)2 c) feso4 • 7h2o d) fe(no3)2 kimyo fanidan namunaviy test topshiriqlari (ytest.uz) 15. [2,2 ball ] soda ishlab chiqarishning sulfat usulida ohirgi bosqichda 108 gr cas cho’kmaga tushgan bo’lsa, ajralib chiqqan soda massasini toping. a) 190.8 gr b) 106 gr c) 127.2 …](/media/previews/pages/p2_291073.webp "46f6f10f168c2b08cbc810fcb57567e5 - Page 2")
![d) 125000 24. [2,2 ball ] quyidagi moddalarning qaysilari monosaxaridlar hisoblanadi? a) riboza b) solod shakari c) sorbit d) lavlagi shakari 25. [1,3 ball ] biuret reaksiyasida dipeptidlar qanday rang hosil qiladi? a) binafsha b) qizil c) sariq d) ko’k 26. [2,2 ball ] quyidagi moddalarni qaysi birining tarkibida uglerodning oksidlanish darajalari yig’indisi -10 ga teng. a) toluol b) pirokatexin c) m-ksilol d) benzoy kislota kimyo fanidan namunaviy test topshiriqlari (ytest.uz) 27. [2,2 ball ] quyidagi sikloalkanlardan qaysi biri qolganlariga qaraganda beqaror hisoblanadi? a) siklopentan b) siklogeksan c) siklobutan d) siklogeptan 28. [1,3 ball ] tarkibida 84.2 % uglerod tutgan alkanning izomerlari berilgan javoblarni ko’rsating. a) 2.2.4-trimetil pentan b) 3.4.5-trimetil geksan c) 2.3.3.4-tetrametil pentan d) 3-etil geptan 29. [2,2 ball ] berilgan javoblardan to’g’risini belgilang. a) og’ir benzinning boshqacha nomi kerosin. b) gazolin fraksiyasining so’ngida qolgan qoldiq- gudron c) gazolin fraksiyasida vazelin olinadi d) petroley efiri asosan erituvchi sifatida ishlatilmaydi. …](/media/previews/pages/p3_291073.webp "46f6f10f168c2b08cbc810fcb57567e5 - Page 3")
![olekulalari sonini aniqlang. [1,5 ball ] javob :___________________________________________________________ b) kristalogidrat tarkibidagi al massa ulushini aniqlang. [1,7 ball ] javob :_____________________________________________________________ 37. noma’lum metal oksidi ekvivalenti 21.75 ga teng. a) metallni aniqlang [1,5 ball ] javob: _____________________________________________________________ b) oksid hosil qilgan metalning shu okksiddagi valentligini toping. [1,7 ball ] javob:_____________________________________________________________ 38. 30º da ikkita reaksiyaning tezligi bir xil bo’lib, ularning biri uchun harorat koeffitsiyenti 2, ikkinchisi uchun 4 ga teng. [1,5 ball ] a) harorat necha gradusga ko’tarilganda ularning tezligi 8 martaga farq qiladi? javob: _____________________________________________________________ [1,7 ball ] b) 353 k da ikkala reaksiyaning tezliiklari farqi nechchiga teng bo’ladi? javob:_____________________________________________________________ kimyo fanidan namunaviy test topshiriqlari (ytest.uz) 39. 38.4 gr feo va cuo dan iborat aralashmaga yetarli miqdorda hcl ta’sir ettirilganda, 25.4 gr tuz hosil bo’ldi. a) mis (ii)-oksidining massa ulushi aniqlang. [1,5 ball ] javob:_____________________________________________________________ b) oksidlarning mol nisbatini hisoblang. [1,7 ball ] javob:_____________________________________________________________ 40. 20 ml 2 m li …](/media/previews/pages/p4_291073.webp "46f6f10f168c2b08cbc810fcb57567e5 - Page 4")
![ajraladi? [1,7 ball ] javob:_____________________________________________________________ kimyo fanidan namunaviy test topshiriqlari (ytest.uz) 42. 2-brom propanga koh ning suvli eritmasi ta’sir ettirilganda 36 gr spirt hosil bo’ldi. a) sarflangan alkil galogenid massasini hisoblang. [1,5 ball ] javob:____________________________________________________________ b) agar alkil galogenidga koh ning spirtli eritmasi ta’sir ettirilganda qaysi organic birikma hosil bo’lar edi? [1,7 ball ] javob:____________________________________________________________ 43. 31 gr amin yonishi natijasida 22.4 l co2, 45 gr suv va 11.2 l azot ajralib chiqdi. a) sarflangan kislorod hajmini hisoblang. [1,5 ball ] javob:_____________________________________________________________ b) dastlabki azotli birikma formulasini yozib bering. [1,7 ball ] javob:_____________________________________________________________ 44. quyidagi moddalarni qaysi sinfga mansub ekanligini yozing. a) p-krezol [1,5 ball ] javob:_____________________________________________________________ b) p-ksilol [1,7 ball ] javob:_____________________________________________________________ kimyo fanidan namunaviy test topshiriqlari (ytest.uz) 45. berilgan moddalarning formulalarini yozing. a) pirolyuzit [1,5 ball ] javob:_____________________________________________________________ b) grinokit [1,7 ball ] javob:_____________________________________________________________ kimyo fanidan namunaviy test topshiriqlari (ytest.uz) javoblar 1- b 2- a 3- c 4- …](/media/previews/pages/p5_291073.webp "46f6f10f168c2b08cbc810fcb57567e5 - Page 5")
About "46f6f10f168c2b08cbc810fcb57567e5"
kimyo fanidan namunaviy test topshiriqlari (ytest.uz) kimyo 1. [1,3 ball ] temir (iii)- gidroksofosfat tarkibida fosfor va temir atomlari nisbatini toping. a) 3:2 b) 2:3 c) 1:3 d) 2:1 2. [2,2 ball ] x+4 ning elektron konfiguratsiyasi …. 3p6 • 4s2 • 3d10 bo’lsa, x elementini aniqlang. a) se b) br c) as d) ge 3. [2,2 ball ] h2o2 + crcl3 + koh= k2cro4 + kcl + h2o ushbu reaksiyani tenglashtiring. reaksiyda koeffitsiyentlar yig’indisi nechchiga teng? a) 23 b) 28 c) 31 d) 19 kimyo fanidan namunaviy test topshiriqlari (ytest.uz) 4. [1,3 ball ] tarkibida qutbsiz kovalent bog’lanish mavjud bo’lgan birikmalarni ko’rsating. a) ozon, oltingugurt (iv)- oksid, karborund. b) kalsiy karbid, ruh xlorid, uglerod (iv)-oksid. c) vodorod peroksid, fosfin, …
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