
Химия ОВР
Authored by Гулим Талканбаева
Chemistry
10th Grade
Used 23+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
степень окисление кальция
+1
+2
+3
+4
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
железо
азот
магний
фосфор
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Реакции, в которых изменяются степени окисления, называются:
соединения
разложения
окислительно-восстановительные
окисления
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Окислительно-восстановительной реакции соединения соответствует схема
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Какая из приведённых реакций разложения не является окислительно-восстановительной?
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Данное вещество является только окислителем
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
В уравнении реакции:
NH3 + O2= NO + H2O число отданных и принятых электронов равно:
3:2
4:5
5:6
1:4
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