
Азот
Authored by Ольга Рябова
Chemistry
5th - 12th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая молекулярная масса атома азота?
14
28
7
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько электронов имеет атом азота?
7
5
2
14
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула аммиака - это...
NH3
Mg3N2
HNO3
HNO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какие продукты реакции получатся
Cu + HNO3 (конц.) ->
Cu(NO3)2 + NO2 + H2O
Cu(NO3)2 + NH4NO3 + H2O
Cu(NO2)2 + NO2 + H2O
CuO + NO2 + H2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Азот проявляет высшую степень окисления в соединении ...
HNO3
NH3
HNO2
NO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления -3 азот проявляет в соединении ...
NH3
HNO3
N2O5
NO
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Какой коэффициент должен стоять перед водой?
Zn + HNO3 (к) -> Zn(NO3)2 + NO2 + H2O
1
2
3
4
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