
Kimyo 1
Authored by Anvarkhon Munavvarov
Chemistry
9th Grade - University
Used 31+ times

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75 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Azotning 2 ta va vodorodning 2 ta izotopidan foydalanib necha xil ammiak molekulasini hosil qilish mumkin?
(fazoviy izomeriya inobatga olinmasin).
6
5
8
7
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Fosforning 3 ta va vodorodning 2 ta izotopidan foydalanib necha xil fosfin molekulasini hosil qilish mumkin ?
(fazoviy izomeriya inobatga olinmasin).
10
12
11
9
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
15.6 g ishqoriy metall suv bilan reaksiyaga kirishib, 4.48 litr gaz(n.sh. da ) ajratib chiqargan bo'lsa , bu qaysi metall.
Kaliy
Natriy
Rubidiy
Seziy
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
R2 O5 tarkibli oksid tarkibida 34.8% kislorod bo'lsa, oksidni aniqlang.
P2O5
N2O5
Sb2O5
As2O5
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qutbsiz koavlent bog'lanish markaziy atomi sp2 tipda gibridlangan molekulani aniqlang.
Fosfin
Suv
Bor gidrid
Ammiak
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
0.3 mol kalsiy clorid va 0.2 mol kaliy xlorid aralashmasi tarkibidagi xlorning massa ulushini (%) aniqlang
65
33
59
37
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hajmi 56 litr (n. sh.) bo'lgan Ar va hajmi 28 litr (n. sh.) bo'lgan N2 dan iborat aralashmaning vodorodga nisbatan zichligini aniqlang.
18
15
17
27
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