
2-DARS savollari
Authored by Asilbek Tojimatov
Chemistry
Used 6+ times

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51 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kim kimyoviy belgi – elementlarning lotincha nomining bosh harfi yoki bosh harfiga keyingi harflardan birini qo’shib yozishni taklif qilgan?
Berselius
Butlerov
Bertlo
Bertolle
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Element so’zining ma’nosi?
kichik
oddiylik
tarkibiy qism
kam
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elementlar fizik jihatdan qanday bo’ladi?
metal va metalmas
metal va amfoter
metalmas va amfoter
metal, metalmas va amfoter
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elementlar kimyoviy jihatdan qanday bo’ladi?
metal va metalmas
metal va amfoter
metalmas va amfoter
metal, metalmas va amfoter
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quyidagi ifodalarning (A) element yoki (B) oddiy moddaga tegishli ekanligini aniqlang
1. Soch tarkibida oltin mavjud
2. Havo tarkibida kislorod bor
3. Suvda tarkibida vodorod bor
A-1,2,3
A-1,2; B-3
A-1,3; B-2
B-1,2,3
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quyidagi ifodalarning (A) element yoki (B) oddiy moddaga tegishli ekanligini aniqlang
1. Osh tuzi tarkibida natriy bor
2. Baliqlar suvda erigan kislorod bilan nafas oladi
3. Suyak tarkibiga fosfor kiradi
A-1,2,3
A-1,3; B-2
A-2; B-1,3
B-1,2,3
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quyidagi ifodalarning (A) element yoki (B) oddiy moddaga tegishli ekanligini aniqlang
1. Aluminiyning 3 ta valent elektronlari bor
2. Temir zang tarkibiga kiradi
3. Temir nam havoda zanglaydi
A-1,2,3
A-3; B-1,2
A-1,2; B-3
B-1,2,3
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