
Основные понятия и законы химии_1
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Наталья Германович
Used 1+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
О кислороде как о простом веществе можно сказать
масса атома равна 16 а.е.м
необходим для дыхания
существует в виде 2 аллотропных модификаций
является р-элементом
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Простыми являются оба вещества, указанные в ряду
алмаз и угарный газ
глюкоза и поваренная соль
гелий и графит
кислород и метан
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
молекулярное строение имеют оба вещества пары
йод и вода
оксид кремния и метан
кислород и сульфат натрия
белый фосфор и поваренная соль
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Относительная плотность молекулярного азота по гелию равна
28
14
7
56
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Плотность смеси NH3 и Н2 равна 0,357 г/дм3 . Обьемная доля (%) NH3 в смеси равна
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При одинаковых обьемах и нормальных услвоиях наибольшее число молекул содержит порция
озона
азота
кислорода
воды
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Число атомов (⋅1023) белого фосфора Р4 массой 9,3 г равно
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