
30 talik test-4
Authored by Bobomurod Abdixashimov
Chemistry
11th Grade
Used 2+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
XYZ moddasi tarkibidagi qaysi elment metall atomi hisoblanadi.?
X
Y
Z
X,Z
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
K2XOn birikmasida X ni oksidlanish darajasi +4 KmYO4 birikmasida Y ni oksidlanish darajasi +5 bo’lsa,
n va m ni aniqlang.?
n=4
m=2
n=3
m=3
n=4
m=3
n=4
m=4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X va Y ni qaysi modda bo’lishini aniqlang.?
X=etilen Y= geksan
X=etilen Y= siklogeksan
X=asetilen Y= geksan
X=asetilen Y= siklogeksan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Birikmaning formulasini aniqlang.?
NO2
N2O3
N2O
N2O4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X ning suv bilan reaksiyasidan Y modda hosil bo’lsa, X va Y ning qaysi modda bo’lishini aniqlang.?
I
II
I,II
I,III
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
. X(HCO3)2 birikmasining molar massasi 162 g/mol bo’lsa, X ni nisbiy atom massasini aniqlang.?
24
40
56
64
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qaysi modda oddiy sharoitda molekular kristal panjara hosil qiladi.?
C2H6
C2H5OH
C2H5COOH
C20H40
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