
Степень окисления элементов
Quiz
•
Chemistry
•
8th Grade
•
Hard
Mikhail Lomako
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Бинарным веществом является:
HNO3
CO
NaOH
H2SO3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления фосфора в соединении P2O5 равна:
-3
0
+5
+3
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Степень окисления +2 характерна для:
для металлов 1 группы
для металлов 3 группы
для металлов 2 группы
для неметаллов 5 группы
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Атомы в молекулах простых веществ и атомы в свободном состоянии имеют степень окисления
0
-1
+1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какую формулу имеет соединение, в котором элементы имеют степени окисления +1 и -3?
PH3
P2O3
PF3
K3P
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Низшую степень окисления азот имеет в соединении:
NO2
N2O3
NH3
N20
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Хлор имеет степень окисления равную нулю в соединении:
NaCl
HCL
Cl2
Cl2O7
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