Химический элемент или простое вещество?

Quiz
•
Chemistry
•
8th Grade
•
Hard
Елена Григорьева
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Кислородом дышат животные
Химический элемент
Простое вещество
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
В состав ржавчины входят кислород и железо
Химический элемент
Простое вещество
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Кислород - газ
Химический элемент
Простое вещество
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Кислород входит в состав воды
Химический элемент
Простое вещество
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Кислорода в земной коре 49% по массе
Химический элемент
Простое вещество
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Молекула кислорода состоит из двух атомов
Химический элемент
Простое вещество
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Кислород применяют в медицине
Химический элемент
Простое вещество
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