mavzulashtirilgan qo'llanma (900 ta test). 90-956-51-86

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telegramdagi profchemistry dtm-standart nomli kanalimizga ulaning va bundanda ulkan imkoniyatlarga ega bo’ling! kimyodan testlar to’plami.( nazariy va misol-masalalar) modda miqdori (mol). massa. atom va molekulalar soni (avagadro soni) 1. al2o3ning 10,2 gramida necha mol atom bor? a) 0,4 b) 0,6 c) 0,5 d) 1,0 2. fe2o3ning 14 gr da necha gr fe bor? a) 5,6 b) 11,2 c) 7,84 d) 9,8 3. 0,5 mol alcl3 dagi atomlar soni necha mol cacl2 da bor? a) 0,75 b) 1,5 c) 0,66 d) 1,0 4. 10,1g ch3cl da nechta molekula bo’ladi ? a) 6,02·10 23 b) 9,03·10 23 c) 3,01·10 23 d) 12,04·10 22 5. 17g ph3 dagi atomlar soni necha gr agno3 da bor ? a) 34 b) 170 c) 85 d) 68 6. 3,65g hcl va 11,1g cacl2 da qancha xlor atomi bor ? a) 1,806·10 23 b) 3,612·10 23 c) 1,204·10 23 d) 6,02·10 23 7. 17,6g co2 olish uchun …

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sa, eritmada 4 mol o2 atomi bo’ladi? a)47,5 gr b)18 gr c)29,5 gr d)77 gr 20. oxaktosh tarkibidagi moddalarning massa nisbatlarini aniqlang ? a) 8:4:5 b) 3:6:5 c) 10:3:12 d) 5:4:2 telegramdagi profchemistry dtm-standart nomli kanalimizga ulaning va bundanda ulkan imkoniyatlarga ega bo’ling! 21. etil spirti tarkibidagi elementlarning massa nisbatlarini aniqlang ? a) 12:3:8 b) 6:7:8 c) 8:3:8 d) 9:6:4 22. sulfat kislota tarkibidagi ... a) 1:16:32 b) 2:7:8 c) 2:14:8 d) 1:7:4 23. 16g fe2o3 da nechta o2 atomi bor ? a) 18,06 · 10 23 b) 9,03 · 10 22 c) 18,06 · 10 22 d) 12,04· 10 22 24. 180g glukoza olish uchun necha g co2 kerak bo’ladi a) 132 b) 198 c) 264 d) 134,4 25. tarkibida 48g o2 atomi bo’lgan h2so4 necha mol bo’ladi ? a) 0,25 b) 0,80 c) 0,75 d) 1,25 26. cuso4 · 5h2o (mis kuporosi) tarkibida 54,18 · 10 22 ta …

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ladi? a) 33,6 b) 8.4 c) 16,8 d) 25,2 36. tarkibida 64% erigan modda bo’lgan eritmada necha mol h2o molekulasi bor?(eritma massasi 200 g) a) 2,0 b) 3,0 c)4,0 d) 1,0 37. oddiy atom tuzilishli moddalar uchun modda miqdori qaysi formula bilan topiladi ? a) b) c) d) m=n·m 38. ohaktosh tarkibida 24g o2 ga necha gr ca to’g’ri keladi ? a) 20 b) 10 c) 15 d) 40 39. bertole tuzi tarkibida 35,5 gr cl2 ga necha gr o2 to’g’ri keladi ? a) 24 b) 16 c) 32 d) 48 40. 2 mol h2o tarkibida nechta atom bo’ladi ? a) 18,06 ·10 23 b) 12,04 ·10 23 c) 3,612 ·10 23 d) 36,12·10 23 telegramdagi profchemistry dtm-standart nomli kanalimizga ulaning va bundanda ulkan imkoniyatlarga ega bo’ling! 41. bitta molekulaning massasi 29,95 ·10 -27 kg bo’lgan moddani aniqlang ? a) ch4 b) sih4 c) h2o d) co2 42. murakkab molekulyar …

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necha l (n.sh.) o2 olish mumkin ? a) 17,92 b) 13,44 c) 8,96 d) 11,2 54. 39 gr k suvda ertildi. hosil bo`lgan gaz bilan necha mol cuo ni qaytarishi mumkin? a)0.5 b)1.0 c) 0.75 d)0.25 55. ca(oh)2 ning 100 gr 37 %li eritmasiga necha gr h2o qo`shilsa, eritmada 88 gr o2 atomlari bo`ladi? a)18 b)36 c) 9 d)45 56. tarkibida nechta atom tutgan h2s ga 8,8g co2 qo’shilsa, aralashmadagi atomlar soni 18,06∙10 23 ta bo’ladi ? a) 25,284∙10 23 b) 16,856∙10 23 c) 50,568∙10 23 d) 14,448∙10 23 57. 22,4 l ph3 ga necha litr nh3 qo’shilsa, aralashmadagi elektronlar soni avagadro sonidan 24 martta ko’p bo’ladi ? a) 11,2 l b) 13,44 l c) 16,8 l d) 22,4 l 58. tarkibida 18,06∙10 23 ta atom tutgan ch4 ga (n.sh.) necha l nh3 qo’shilsa, aralashma tarkibida 72,24∙10 23 ta elektron bo’ladi ? a) 13,44 b) 11,2 c) 22,4 d) 17,92 …

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o’tish uchun massasini necha gr ga ortirish kerak? a) 62,0 b) 31,0 c) 46,5 d) 23,25 67. 64,8 gr ca(hco3)2 dan caco3 ga o’tganda uning massasi necha gr ga kamayadi? a) 24,8 b) 44,8 c) 20 d) 40 68. 3 mol na dan necha l (n.sh) h2 olish mumkin? a) 33,6 b) 22,4 c) 67,2 d) 44,8 69. 67,2 gr fe (qizdirilgan) h2o bug’i o’tkazilganda , necha l (n.sh) gaz ajraladi? a) 31,36 l b) 35,84 l c) 26,88 l d) 33,6 l 70. 22,4 l so2 olish uchun necha gr fes2 kerak bo’ladi? a) 48 gr b) 90 gr c) 60 gr d) 72 gr 71. 67,2 gr cao bilan necha mol p2o5 to’liq reaksiyaga kirishadi? a) 0.25 b) 0.32 c) 0.115 d) 0,4 72. 3.01·10 21 ta molekula massasi 3,4g bo’lsa, uning molekulyar massasi necha gr ? a) 68 b) 34 c) 340 d) 680 73. 56 ml …

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telegramdagi profchemistry dtm-standart nomli kanalimizga ulaning va bundanda ulkan imkoniyatlarga ega bo’ling! kimyodan testlar to’plami.( nazariy va misol-masalalar) modda miqdori (mol). massa. atom va molekulalar soni (avagadro soni) 1. al2o3ning 10,2 gramida necha mol atom bor? a) 0,4 b) 0,6 c) 0,5 d) 1,0 2. fe2o3ning 14 gr da necha gr fe bor? a) 5,6 b) 11,2 c) 7,84 d) 9,8 3. 0,5 mol alcl3 dagi atomlar soni necha mol cacl2 da bor? a) 0,75 b) 1,5 c) 0,66 d) 1,0 4. 10,1g ch3cl da nechta molekula bo’ladi ? a) 6,02·10 23 b) 9,03·10 23 c) 3,01·10 23 d) 12,04·10 22 5. 17g ph3 dagi atomlar soni necha gr agno3 da bor ? a) 34 b) 170 c) 85 d) …

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