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кремний

Quiz
•
Chemistry
•
5th Grade
•
Hard
Умирбек Умирзаков
Used 12+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si
SiO
SiO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оксид входящий в состав стекла
P2O5
CaO
SiO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Массовая доля кремния в земной коре
24 %
25 %
27,6 %
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Атомная масса кремния
32
28
35,5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Латинское название кремния
силициум
аргентум
гидрогениум
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность кремния в соединении с кислородом?
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Название солей кремниевой кислоты
Сульфаты
Карбонаты
Силикаты
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