Olimpiada_Biokimyo_test oson

Olimpiada_Biokimyo_test oson

25 Qs

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Olimpiada_Biokimyo_test oson

Olimpiada_Biokimyo_test oson

Assessment

Quiz

others

Practice Problem

Hard

Created by

Tibbiy fundamental fanlar kafedrasi

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Quyidagi reaksiyalardan qaysi biri disproportsionlanish reaksiyasi hisoblanadi?

2H₂ + O₂ → 2H₂O
2FeCl₃ + H₂S → 2FeCl₂ + 2HCl + S
Cl₂ + H₂O → HCl + HclO
D) Na + Cl₂ → 2NaCl

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Atom radiusi eng kichik bo‘lgan elementni toping.

Na
Li
K
Be

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Bosh kvant soni n = 4 bo‘lgan pog’onada joylashishi mumkin bo’lgan maksimal elektron sonini aniqlang ?

8
16
32
64

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Termodinamikada entropiya ortishi nimani bildiradi?

Sistemadagi energiya kamayadi
Sistemadagi tartib oshadi
Tartibsizlik ortadi
Harorat pasayadi

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

SO₂ oksidida oltingugurtning oksidlanish darajasini ko’rsating ?

+2
+4
+6
0

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Quyidagi gazlardan qaysi biri yong‘in paytida himoya gaz sifatida ishlatiladi?

CO₂
N₂
H₂
CH₄

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

25°C da suvda H⁺ konsentratsiyasi 10⁻⁸ mol/L bo‘lsa, eritma muhiti qanday ?

Neytral
Ishqoriy
Kislotali
Tuz eritmasi

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