Kimyo 1

Kimyo 1

9th Grade - University

75 Qs

quiz-placeholder

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Chemical Symbols

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Kimyo 1

Kimyo 1

Assessment

Quiz

Chemistry

9th Grade - University

Practice Problem

Hard

Created by

Anvarkhon Munavvarov

Used 31+ times

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75 questions

Show all answers

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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