
викторина
Authored by Nikoo I
Chemistry
8th Grade
Used 7+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите символ химического элемента кальция
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите формулу для выражения количество вещества
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите тип реакции
реакция соединения
реакция разложения
реакция замещения
реакция обмена
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность магния равна...
I
II
III
IV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите верное утверждения
в таблице имеется всего 8 групп
валентность обозначается арабской цифрой
валентность химического элемента кислорода равна номеру группы
в таблице всего 5 периодов
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите неметаллы
H, Cu
P, Cl
Al, Na
Zn, O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CO2 - это ...
оксид серы (VI)
оксид углерода
оксид углерода (IV)
оксид кальция
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