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Окислительно-восстановительные реакции

Authored by Маргарита undefined

Chemistry

8th Grade

Used 1+ times

Окислительно-восстановительные реакции
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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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