Davlat test markazi repititsion test topshiruvchilar uchun savollar kitobi
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Tuzuvchi : Azamat Toshev
KIMYO 1. N2O va NO2 aralashmasidagi moddalarning massa nisbati 44:23 bolsa, ulardagi atomlar nisbatini korsating. A) 4:1 B) 1:3 C) 3:2 D) 2:1 2. Mn2+ kationidagi elektronlar soni X3- anionidagi elektronlar sonidan 5 taga kop bolsa, X elementni aniqlang. A) Sb B) N C) As D) P 3. 1) 64Cu 2) 65Cu 3) 65Zn atomlarini mos ravishda a) izotop b) izoton c) izobarlarga ajrating. A) a-1,2; b-1,3 ; c-2,3 B) a-1,2; b-2,3; c-2,3 C) a-1,3; b-2,3; c-1,2 D) a-2,3; b-1,2; c-1,3 4. Xn ioni Y+ioniga 2 ta elektron bersa, zaryadlari teng bolib qoldi. n ning qiymatini aniqlang. A) +1 B) -1 C) -3 D) +3 5. Molekulasida sp2 gibridlangan uglerod atomi bolgan moddani aniqlang. A) metilsiklopropan B) akril kislota C) metanol D) etin 6. Quyidagi birikmalarning ionliligi ortib boorish SHAMSHOD_ILM MASKANI NTM. MUROJAAT UCHUN TEL :+99890 440 00 40 KEL O’QI TALABA BO’L !!! OMAD YOR BO’LSIN !!! TELEGRAMM MANZIL @SHAMSHOD_ILM MASKANI tartibida joylashtiring. 1) NaCl 2) LiF 3) KCl 4) LiCl 5) NaF 6) KF A) 6,5,3,2,1,4 B) 4,1,2,3,5,6 C) 6,5,2,3,1,4 D) 4,1,3,2,5,6 7. Kimyoviy reaksiya tezligi 10 ˚C da 2 mol/l∙min gat eng bo’lgan reaksiyaning temperature koeffisiyenti 2 ga teng. Shu reaksiyaning temperaturasi 40˚C gacha oshirilsa, reaksiya tezligi(mol/l∙min) nechaga teng bo’ladi. A) 64 B) 256 C) 8 D) 16 8. 30˚C da to’yingan eritmada suvning massasi tuzning massasidan 2,5 barobar ko’p bo’lsa, tuzning shu haroratdagi eruvchanligini aniqlang. A) 25 B) 60 C) 40 D) 35 9. 20% li oyuvchi natriy eritmasining molyal konsentratsiyasini (mol/kg) hisoblang. A) 25/4 B) 29/4 C) 25/3 D) 29/3 10. 120 g 20% li NaOH eritmasiga 480 g 10%li NaOH eritmasi qoshildi. Bunda 6M li eritma hosil boldi. Hosil bolgan eritmaning hajmini (ml) toping. A) 300 B) 200 C) 600 D) 500 11. Quyidagi indikatorlarning ishqoriy muhitdagi ranglarini korsating. 1) fenolftalein 2) lakmus 3) metil zargaldogI a) rangsiz b) toq yashil c) kok d) sariq e) oq f) pushti A) 1-c, 2-d, 3-a B) 1-f, 2-c, 3-d C) 1-a, 2-e, 3-f D) 1-b, 2-c, 3-a Download 1.4 Mb. Do'stlaringiz bilan baham: |
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