
Степени окисления 8 класс
Authored by Сергеевна undefined
Chemistry
8th Grade
Used 2+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна степень окисления элемента в простых веществах?
0
+1
-1
сомневаюсь
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна алгебраическая сумма степеней окисления в сложных веществах?
сомневаюсь
0
+1
-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой из элементов в соединениях имет степень окисления -2?
N
F
O
Cu
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Какие степени окисления могут быть у водорода?
0
+1
-1
+2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите степень окисления меди в соединении CuO
0
+1
+2
-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите степень окисления хлора в соединении HCl
0
+1
-1
Что то я сомневаюсь, есть ли у него степень окисления
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Степень окисления металлов 1 группы главной подгруппы в соединениях равна
0
+1
номеру группы
-1
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