Химия
Quiz
•
Chemistry
•
1st - 3rd Grade
•
Practice Problem
•
Hard
ainyr gallyamov
Used 79+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Самый электроотрицательный химический элемент
F
Cl
N
C
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Реакция, в результате которой из исходных веществ образуется одно сложное вещество.
Соединения
Разложения
Обмена
Замещения
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
К какому классу соединений относится соединение Ca(OH)2
Соли
Кислоты
Основания
Оксиды
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая степень окисления у хлора в соединении HClO4
+5
-7
+7
-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько электронов на внешнем уровне у Al
3
2
4
1
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Какие степени окисления имеет сера S?
-2
+6
+5
+4
+3
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Из предложенного перечня выберите два вещества с ковалентной полярной связью:
HCl
H2S
Cu
LiCl
O2
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