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bet | 5/13 | Sana | 01.02.2022 | Hajmi | 151,43 Kb. | | #422781 |
| Bog'liq 2 5201943537125425285
A) 33.6 B) 22.4 C) 11.2 D) 5.6
6.8 g vodorod sulfid qanday hajmni egallaydi (n/sh/)
A) 4.48 B) 1.12 C) 3.36 D) 5.6
Nitrat kislotaning vodorodga nisbatan zichligini aniqlang
A) 63 B) 21 C) 31.5 D) 44
50% O2 va 50% karbonat angidriddan iborat aralashmaning vodoroga nisbatan zichligini aniqlang?
A) 16 B) 22 C) 38 D) 19
NaCl tuzining kristall panjarasini aniqlang
A) atom B) metal C) ion D) molekulyar
Al ning xlorid kislota bilan reaksiyasida koeffisientlar yig’indisini aniqlang
A) 8 B) 10 C) 14 D) 13
Alyuminiy sulfat tuzining ekvivalentini aniqlang
A) 57 B) 171 C) 34.2 D) 68.4
Xrom II gidroksidining ekvivalentitni aniqlang
A) 86 B) 43 C) 52 D)98
Qanday reaksiyalar endotermik deb ataladi?
A) parchalanuvchi reaksiyalar
B) oksidlanish reaksiyalari
C) energiya ajralgan reaksiyalar
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