
KHTN8 bài 10 phần 1
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Ha Le
Used 3+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaO là oxide:
Oxide base
Oxide ac
Oxide trung tính
Oxide lưỡng tính
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khẳng định nào đúng về định nghĩa của oxide acid?
oxide acid thường tạo bởi một nguyên tố phi kim với nguyên tố oxygen.
oxide acid thường tạo bởi một nguyên tố kim loại với nguyên tố oxygen.
oxide acid thường tạo bởi một hợp chất với nguyên tố oxygen.
oxide acid khi tác dụng với nước tại ra dung dịch base tương ứng.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide nào dưới đây KHÔNG phải là oxide acid?
SO2
SO3
FeO
N2O5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của oxide tạo bởi nguyên tố C và O, trong đó C có hóa trị IV là:
CO2
CO3
C2O
CO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxide là hợp chất tạo nên từ mấy nguyên tố?
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đáp án nào dưới đây có tên gọi đúng với công thức của oxitde?
FeO: Iron (III) oxide
CO: cacbon(II) oxide
CuO: coper (II) oxide
CaO: carbon trioxide
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