
Тесты по химии 9 класс
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Easy
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Из чего получают в промышленности HNO3?
из оксидов азота
из N2 или NH3
из солей азотной кислоты
все ответы верные
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NO2 - это ядовитый газ с характерным запахом … цвета.
бурого
бесцветного
синего
жёлто-зелёного
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
HNO3 диссоциирует на ионы?
да
частично
нет
только концентрированная
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна степень окисления N в HNO3?
-3
+2
+5
+4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Под тепловым и световым воздействием HNO3 разлагается на:
NO + H2O + O2
N2 + H2O + O2
NH3 + H2O + O2
NO2 + H2O + O2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как называются соли HNO3?
нитриды
нитраты
нитриты
все ответы верные
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В ходе химической реакции азотной кислоты с металлами не может образоваться:
H2
оксиды азота
N2
NH3
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