kimyo test savollari

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-variant 1. al(hco3)3 moddasini tarkibidagi alyuminiy metali valentlik soni nechaga teng? a) 2 b) 1 c) 4 d) 3 2. 0.5 mol al2(so4)3 moddasidagi alyuminiy metalining massa ulushini aniqlang? a) 14 b) 16 c) 18 d) 20 3. 0.5 mol al2(so4)3 moddasidagi kislorodning massasini (gr) aniqlang? a) 100 b) 192 c) 96 d) 100 4. 0.5 mol kclo3 tuzini gr da toping? a) 122.5 b) 61.25 c) 31.25 d) 10 5. so2 tarkibidagi kimyoviy bog’lar soni qancha? a) 2 b) 4 c) 5 d) 45 6. so3 tarkibidagi kimyoviy bog’lar soni qancha? a) 5 b) 6 c) 12 d) 61 7. davrlar nechaga bo’lib o’rganiladi. a) 2 b) 4 c) 5 d) 20 8. dissotsatsiya jarayoni kim tomonidan yaratigan. a) arrenius. b) lomonosov. c) bertlo d) mozli. 9. dissotsatsiya so’zining ma’nosi nima. a) maydalanish. b) birikish. c) cho’kish d) ajralish 10 erigan modda massasining eritmaning umumiy massasiga nisbati eritmaning qaysi …

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ni (gr) aniqlang? a) 16 b) 32 c) 64 d) 640 20 feso4 moddasining temirning massasini (gr) aniqlang? a) 56 b) 112 c) 28 d) 560 21 [cu(nh3)4]so4 ushbu kompleks birikmada, kislorodning massasi nechaga teng. a) 64 b) 34 c) 96 d) 640 22 feso4 moddasining molekulyar massasini (gr) aniqlang? a) 332 b) 152 c) 100 d) 123 23 qaysi elementning elektromanfiyligi kuchli. a) s b) f c) cl d) fo2 24 qaysi elementning elektromanfiyligi kuchsiz a) fe b) cl c) k d) mg 25 0.5 mol al2(so4)3 moddasidagi alyuminiy metali massasini (gr) aniqlang? a) 27 b) 13.5 c) 56 d) 270 26 feso4*10h2o - moddasining molekulyar massasini (gr) aniqlang? a) 156 b) 332 c) 220 d) 300 27 qaysi element kuchli metall. a) na b) k c) fe d) cs 28 0,25 mol nacl tuzida necha (gr) natriy bor? a) 5 b) 5.5 c) 6.5 d) 5.75 29 0.5 …

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uvchining kоiffsentlаr yig’indisini tоping? a) 14 b) 16 c) 9 d) 160 10 kmno4 + hcl=kcl+mncl2+cl2+h2o xlorning kоiffsentini tоping? a) 5 b) 8 c) 7 d) 50 11 kmno4=k2mno4+mno2+o2 umumiy kоiffsentlаr yig’indisini tоping? a) 2 b) 4 c) 5 d) 50 12 kmno4=k2mno4+mno2+o2 umumiy o’ng tomondagi kоiffsentlаr yig’indisini tоping? a) 4 b) 5 c) 3 d) 30 13 konsentratsiya 1 l eritmada erigan moddaningi gramm – ekvivalentlar soni bilan fiodalanishiga qanday konsentratsiya deyiladi? a) molyar konsentratsiya b) massa ulushi yoki foiz konsentratsiya c) normal konsentratsiya d) molyal konsentratsiya 14 quyidagi javoblar orasidan fosfor (v) - oksidini formulasini toping? a) p2o3 b) ph3 c) h3po4 d) p2o5 15 quyidagi javoblar orasidan qo’rg’oshin (iv) - gidroksidini formulasini toping? a) pbo b) pboh c) pbo4 d) pb (oh)4 16 agcl tuzi qanday gidrolizga uchraydi? a) kation bo’yicha b) ham kation va ham anion c) anion d) uchramaydi 17 cas tuzi qanday gidrolizga uchraydi? …

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olizga uchraydi. na2co3 a) anion. b) uchramaydi c) ham kation va ham anion d) kation bo’yicha. 27 quyidagi tuz qanday gidrolizga uchraydi. feso4 a) kation bo’yicha. b) ham kation va ham anion c) uchramaydi d) anion 28 quyidagi xossalarning qaysilari elementga tegishli? a) qaynash temperaturasi b) qovushqoqlik c) mo’rtlik d) yadro zaryadi 29 qaysi element kuchli metallmas? a) f b) o c) cl d) fo 30 oddiy moddani toping? a) h2 va o3 b) koh c) fe2o3 d) p2o5 f.i.sh_____________________________________________________ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1. 0.5 mol al2(so4)3 moddasi dissotsialanganda qancha massa (gr) kation ajralib chiqadi? a) 54 b) 27 c) 56 d) 270 2. 0.5 mol al2(so4)3 moddasi dissotsialanganda qancha massa (gr) anion ajralib chiqadi ? a) 144 b) 13.5 c) 27 d) …

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d) ish 15 izobarik qanday jarayon. a) o’zgarmas haroratda boradigan jarayon. b) o’zgarmas tokda boradigan jarayon. c) o’zgarmas hajmda boradigan jarayon d) o’zgarmas bosimda boradigan jarayon 16 izotermik qanday jarayon. a) o’zgarmas tokda boradigan jarayon. b) o’zgarmas hajmda boradigan jarayon c) o’zgarmas bosimda boradigan jarayon d) o’zgarmas haroratda boradigan jarayon. 17 asosiy guruhchaga kiruvchi elementlarni toping? a) na, k, li, fe b) au, cu, k, f c) k, na, ag, ne d) o, c, na, al 18 metallmaslarni toping? a) k, na, ag, ne li b) o, c, na, al, s c) na, k, li, fe, c d) i, cl, h, he, c 19 metallarni toping? a) na, k, li, fe, c b) i, cl, h, he, c c) o, c, na, al, s d) fr, os, fe, ni, pt 20 quyidagi formulaning qaysi biri tog’ri yozilgan? a) cro3 b) h2s2o7 c) (nh4)2cr2o7 d) barchasi 21 1,2 kg 40% li …

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-variant 1. al(hco3)3 moddasini tarkibidagi alyuminiy metali valentlik soni nechaga teng? a) 2 b) 1 c) 4 d) 3 2. 0.5 mol al2(so4)3 moddasidagi alyuminiy metalining massa ulushini aniqlang? a) 14 b) 16 c) 18 d) 20 3. 0.5 mol al2(so4)3 moddasidagi kislorodning massasini (gr) aniqlang? a) 100 b) 192 c) 96 d) 100 4. 0.5 mol kclo3 tuzini gr da toping? a) 122.5 b) 61.25 c) 31.25 d) 10 5. so2 tarkibidagi kimyoviy bog’lar soni qancha? a) 2 b) 4 c) 5 d) 45 6. so3 tarkibidagi kimyoviy bog’lar soni qancha? a) 5 b) 6 c) 12 d) 61 7. davrlar nechaga bo’lib o’rganiladi. a) 2 b) 4 c) 5 d) 20 8. dissotsatsiya jarayoni kim tomonidan yaratigan. a) …

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