O’qituvchi bahosi - nazorat ishi Davriy jadvalda nechta oila mavjud A. B. S

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nazorat ishi Davriy jadvalda nechta oila mavjud A. B. S
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bet | 4/13 | Sana | 29.11.2023 | Hajmi | 60,83 Kb. | | #107627 |
Bog'liq 1- nazorat ishi Davriy jadvalda nechta oila mavjud A. 3 B. 4 S. -hozir.orgO’qituvchi bahosi _________
II- variant
1. 3 gr vodorod bilan 24 gr kislorod aralashmasi portlatilganda, necha gramm suv hosil bo’ladi.
2. Vodorodga nisbatan zichligi 35 ga teng bo’lgan SO2 va SO3 gazlari aralashmasining 8 litr hajmini yondirish uchun qancha hajm (l, n.sh ) havo sarf bo’ladi.
3.Havoga nisbatan zichligi 7,587 ga teng bo’lgan fosfor oksidlarining biridagi fosforning massa ulushi 56,4 % ni tashkil etadi. Shu oksidning molekulyar formulasini aniqlang
4. 5,6 litr ammiakning normal sharoitdagi massasini, modda miqdorini, molekulalar sonini, hamda atomlar sonini toping
5. Uglerod (IV) oksid 220 da va 500 kPa bosimda hajmi 20 l bo’lgan idishda saqlanadi. Uning massasini gr aniqlang.
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