KHTN 8
Quiz
•
Science
•
6th - 8th Grade
•
Medium
HOÀNG NAM
Used 107+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Oxide là hợp chất tạo nên từ mấy nguyên tố?
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide nào dưới đây góp nhiều phần nhất vào sự hình thành mưa acid?
CO2
CO
SO2
SnO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của oxide tạo bởi Al và O, trong đó Al có hóa trị III là
Al2O3
Al3O2
AlO
AlO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide bắt buộc phải có nguyên tố
Oxgen
Halogen
Hydrogen
Sulfur.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide của kim loại nào sau đây là oxide acid?
Cu2O
Fe2O3
Mn2O7
Cr2O3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đáp án nào dưới đây có tên gọi đúng với công thức của oxide?
CO: carbon (II) oxide
CuO: copper (II) oxide
FeO: iron (III) oxide
CaO: calcium trioxide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide nào dưới đây không phải là oxide acid?
SO2
SO3
FeO
N2O5
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