
Kimyo
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Karomaddin Urozboyev
Used 6+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hozirgi kunda davriy sistemada nechta element mavjud?
117
118
120
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atmosfera havosi tarkibida necha foiz kislorod bor?
21%
78%
99%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kislorodni kim kashf qilgan?
Kavendish
K.Shele
Lavuarye
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fotosintez jarayonida atmosferaga qaysi gaz ajralib chiqadi?
N(2)
H(2)
O(2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avogadro soni nechaga teng?
6.02*10^23
6.02*10^20
22.4*10^23
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalsiy karbonatning formulasini toping?
CaCO(3)
K(2)CO(3)
H(2)CO(3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suyuq holatdan gaz holatiga o'tish nima deb ataladi?
Qotish
Cho'kish
Bug'lanish
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