20,4 gr alyuminiy oksiddagi modda miqdorini aniqlang

6-Mavzu Kimyo

Quiz
•
Chemistry
•
11th Grade
•
Hard
Bobomurod Abdixashimov
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
0.1
0.2
0.3
0.4
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
0,25 mol miqdordagi moddaning massasi 11 gr bo‘lsa, ushbu modda molyar massasini toping
10,75 gr/mol
2,75 gr/mol
44 gr/mol
22 gr/mol
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
290 gr Fe2(SO4)3∙10H2Oda nechta
vodorod atomi bor?
36,12∙1023
30,1∙1023
66,22∙1023
60.2∙1023
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
34 g ammiak va 3 mol neondan iborat aralashmadagi atomlar yig‘indisini toping.
54,18∙1023
60,2∙1023
66,22∙1023
48,16∙1023
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Temir kolchedani va temir sulfid moddalaridan 1 moldan olinsa, ularning og‘irligi necha grammga farq qiladi.
56
64
32
0
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Ca atomining elektronlar soni X + ionining elektronlar soniga teng bo’lsa noma’lum elementning neytronlar sonini aniqlang.?
21
20
24
18
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Mol nisbati 2:1 bo‘lgan EO va EO2 aralashmasining 0,15 moli 5,3 g kelsa, noma’lum elementni aniqlang.
krem niy
qalay
azot
uglerod
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