К – дің салыстырмалы атомдық массасы қанша?

химия 150-200

Quiz
•
Other
•
University
•
Hard
Raimbek Sagim
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
39
11
41
38
52
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KOH + HNO3= X + H2O
X – затты көрсет.
KNO3
K2O
KOH
HNO3
KNO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Озонның формуласы ол -
O3
O2
O
pH3
H2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ортобор қышқылының формуласын көрсетіңдер.
HBr
HBO2
H3BO3
H2Cr2O7
HBrO4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaO + CO2 = X
X – затты көрсет.
СaCO3
Na2CO3
CO
CaO
Ca(OH)2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дифосфорпента оксидінің формуласын көрсетіңдер.
P4
P2O5
P2O
P2O3
P4O10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5p-дан кейін қай деңгейше электрондармен толтырылады?
5d
6s
5f
4d
4p
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