
Trắc nghiệm hóa
Authored by Đoàn Nhi
Chemistry
6th - 8th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxygen không có tính chất nào sau đây ?
A.tan nhiều trong nước
B.không mùi
C.không màu
D.nặng hơn không khí
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm chất nào sau đây đều là oxide ?
A. SO2 , MgSO4 , CuO
B. CO , SO2 , CaO
C. CuO, HCL , KOH
D.FeO , CuS , MnO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây là acidic oxide ?
A. CaO
B. P2O5
C. Na2O
D.Fe3O4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học nào sau đây là công thức hóa học copper (II) oxide ?
A. CuO2
B. Cu2O
C. CuO
D. Cu2O2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây là basic oxide ?
A. CO2
B. P2O5
C. N2O5
D. Fe3O4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học nào sau đây là công thức của Iron (III) oxide ?
A. Fe3O4
B. FeO
C. Fe2O3
D. Fe3O2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây là basic oxide?
A. Na2O
B. P2O5
C. SO3
D. SiO2
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