Классификация и химические свойства оксидов
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Дарья Белецкая
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7 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
В ряду представлены только кислотные оксиды:
СO , CO2, SiO2
CaO, P2O5, CO2
NO, CO2, MgO
N2O5, CO2, SO2
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
CaO реагирует с:
СO2
CaO
CO
SiO
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
К группе амфотерных оксидов относится:
MgO
ZnO
CaO
BaO
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Степень окисления кислорода в оксидах:
0
-2
+2
-1
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Молярная масса оксида бериллия:
25 г/моль
24г/моль
20г/моль
34г/моль
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
SO3 +NaOH-> Na2 SO4 + H2O
Коэффициент перед оксидом серы (VI) равен:
1
2
3
4
7.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Формула оксида хлора (VII) представлена:
CI2O7
CI2O3
CIO
CI2O5
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