
Химия
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Лесбек Садықов
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фотосинтез реакциясының оң жағындағы коэффициенттер қосындысы қанша?
A) 6
B) 7
C) 8
D) 12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Адам ағзасындағы 4 г темір неше мольге тең?
A) 0,04 моль
B) 0,07 моль
C) 0,14 моль
D) 0,25 моль
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Күкірт пен оттек атомдарының қатынасы 1:2 болса, зат формуласы қандай?
A) SO
B) SO₂
C) SO₃
D) S₂O₃
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
15,6 г калийден алынатын Fe(OH)₂ массасы қанша?
A) 8 г
B) 10 г
C) 18 г
D) 22 г
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Жүйке жүйесінің қызметін реттейтін, ас тұзымен түсетін элемент
A) Калий
B) Кальций
C) Натрий
D) Магний
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ас содасы мен сірке қышқылының реакциясында түзілетін газ
A) Метан
B) Көміртек диоксиді
C) Оттек
D) Азот
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оттегі жеткіліксіз болса, көміртегі жанғанда қандай өнім түзіледі?
A) СО₂
B) СО
C) C₂H₆
D) H₂O
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