
Проверочная работа
Authored by Islamiya Bilyukova
Chemistry
9th Grade
Used 4+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой элемент лишний?
фосфор
азот
кислород
мышьяк
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Высшая степень окисления элементов VA группы равна
+2
+4
+3
+5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вставьте пропущенное слово: "Высокая прочность химической связи в молекуле азота обусловлена наличием ..... связи"
одинарной
двойной
тройной
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
При взаимодействии азота с водородом образуется:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При взаимодействии азота с металлами образуются бинарные соединения, которые называются
нитраты
нитриды
нитриты
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Окраска фенолфталеина в растворе аммиака
зелёная
жёлтая
малиновая
синяя
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой ион образован по донорно-акцепторному механизму?
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