Olimpiada_Biokimyo_test oson
Authored by Tibbiy fundamental fanlar kafedrasi
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25 questions
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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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