Химия для Елизаветы Сергеевны

Quiz
•
Chemistry
•
8th Grade
•
Medium
Иван Точёнов
Used 5+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Какие бывают виды реакций по агрегатному состоянию? Выберите 2 ответа
Гомогенная
Физиологическая
Гетерогенная
Синергическая
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Дано: CuFeS^2. Найдите массовую долю серы (S)?
19
35%
98
73%
86%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой буквой обозначают массовую долю?
ω
N
v
m
4.
FILL IN THE BLANK QUESTION
45 sec • 2 pts
Превращения веществ, которые нельзя вернуть к исходному состоянию
5.
FILL IN THE BLANK QUESTION
1 min • 2 pts
Чему равно число Авогадро?
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Дано: Na^3PO^4. Найдите массовую долю фосфора (P)?
19%
25%
40%
50%
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Химические реакции, по тепловому эффекту
Гомогенные
Гетерогенные
Экзотермическая
Физиотерапевтическая
Эндотермическая
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