180 mg massali suv tomchisida nechta molekula bor?

8-sinf 3-test

Quiz
•
Physics
•
8th Grade
•
Hard
Bunyod Saydaliyev
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1018
1017
3×1015
6×1021
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kislorod (O2) molekulasining massa qanchaga teng (kg) bo‘ladi?
5,3×10-26
5,3×10-23
19×10-23
3,2×10-23
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
6,02×1026 ta temir atomining massasini hisoblang (kg). Temirning molyar massasi 56 g/mol.
28
280
56
168
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hajmi 0,3 l bo‘lgan suvdagi molekulalar sonini aniqlang.
1026
3,3×1025
3,3×1026
1025
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
To’rt mol suv qancha hajmni egallaydi. Tugri javobni toping (sm3)?
2
72
64
18
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