Реакции горения
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
Marins Dzyubina
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Наибольшую часть воздуха составляет
Кислород
Водород
Азот
Углекислый газ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Количество кислорода в воздухе
78%
1%
21%
0,03%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Реакция взаимодействия веществ с кислородом называется
окисление
восстановление
испарение
гидролиз
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Газ, находящийся в составе воздуха, который поддерживает горение
углекислый газ
кислород
благородные газы
азот
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сложные вещества, одним из элементов которых является кислород
карбиды
газы
нитраты
оксиды
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определите признаки реакции горения
изменение атомной массы химического элемента
выделение тепла
поглощение тепла
выделение кислорода
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Где процесс горения веществ происходит быстрее
в воздухе
в закрытой банке, заполненной углекислым газом
в чистом кислороде
в воде
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