1. KHHH của oxi là
Hóa 8-Oxi (1)

Quiz
•
Chemistry
•
8th Grade
•
Medium
Vinh Nguyễn Thị
Used 52+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
O
O2
O3
Oxi
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
2. CTPT của đơn chất khí oxi là
O
O2
O3
2O
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
3. Nguyên tử khối của oxi là
16
32
64
23
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
4. Phân tử khối của đơn chất khí oxi là
23
64
16
32
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
5. Trường hợp điều chế và thu khí oxi bằng cách đẩy không khí
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
6. Khí Oxi tác dụng với Fe tạo ra
Fe2O3
FeO
Fe3O4
Fe2O2
7.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
7. Chất tác dụng với khí oxi tạo ra CO2 và H2O
CO2
CO
C
CH4
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