
Окислительно-восстановительные реакции
Authored by Маргарита undefined
Chemistry
8th Grade
Used 1+ times

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21 questions
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1.
OPEN ENDED QUESTION
10 sec • Ungraded
ФИО
Evaluate responses using AI:
OFF
2.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Выберите элементы с постоянной СО +1
Li
Na
Fr
Р
H
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Максимально положительную СО +5 имеют:
N
P
As
Cl
Mn
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Минимальная СО магния
-2
-1
0
+2
5.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Минимальную степень окисления -2 имеют:
О
Se
S
Cu
C
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Определи СО фосфора в Ca3(PO4)2
+2
-3
+5
+4
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
CO серы -2 в соединении:
Na2SO4
SO2
S
CuS
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