8 а КЛ отработка дом валент+типы
Authored by Анна Атаманчук
Chemistry
8th Grade
Used 7+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Марганец проявляет валентность IV в оксиде
MnO
MnO2
MnO3
Mn2O7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Марганец проявляет валентность VII в оксиде
Mn2O7
MnO2
MnO
Mn2O3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Хлор проявляет валентность I в оксиде
Cl2O3
Cl2O7
Cl2O5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите пару оксидов, у которых валентность марганца ниже валентности хрома.
CrO и Mn2O3
CrO2 и MnO2
CrO и Mn2O7
CrO3 и Mn2O3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1
2
3
4
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
1
2
3
4
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