Оксиды 8 класс
8th Grade
•16 Qs
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Оксиды 8 класс
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Зарина Азноровна
Used 3+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Оксиды классифицируются...
на кислотные, основные и амфотерные
на кислотные и основные
на простые и сложные
на щелочные, основные, кислотные и амфотерные
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Укажите кислотные оксиды
CuO
ZnO
P2O5
SO3
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Укажите кислотные оксиды..
Cl2O7
CO2
FeO
Na2O
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Укажите основные оксиды
P2O5
CaO
MgO
Fe2O3
ZnO
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Укажите амфотерные оксиды
Al2O3
K2O
P2O5
ZnO
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
При горении фосфора образуется оксид фосфора P2O5
Укажите верное уравнение реакции...
P+O2=P2O5
3P+5O2=4P2O5
4P+5O2=2P2O5
4P+O2=2P2O5
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Какая степень окисления кислорода в оксидах?
+2
-1
-2
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