anorganik birikmalarning muhim sinflari
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anorganik birikmalarning muhim sinflari sinov-2 1. gidridining formulasi eh3 bo’lganda elementning massa ulushi 91,18%. element oksidida kislorodning massa ulushi nechaga teng. a) 56,34 b) 63,38 c) 45,97 d) 48,67 2. gazsimon metalmaslarni ko’rsating. 1)br2 2)o2 3)j2 4)cl2 5)o3 6)s8 7)p a)2,4,5 b)1,3,6 c)1,2,4,5 d)1,3,6,7 3. formulasi e3o4 bo’lgan oksidning 13,7 gr miqdorida 4,832∙1022 ta kislorod atomi mavjud. elementni aniqlang. a) temir b) qalay c) platina d) qo’rg’oshin 4. asosli oksidlarni ko’rsating 1)na2o 2)mno2 3)cro 4)al2o3 5)mn2o3 6)zno 7)mgo 8)fe2o3 a)1,2,3,5,7 b)4,5,6,8 c)1,3,5,7 d)1,3,5,7,8 5. quyidagi oksidlardan qaysilari metallmaslarning oksidlari 1) zno 2) so2 3) cao 4) teo 5) co2 6) mgo 7) beo 8) no2 a) 1,2,3 b) 6,7,8 c) 2,4,6 d) 2,5,8 6. alyuminiy digidroksogidroortofosfa...
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