
Đề cương HKII K10(23-24)
Authored by c3 Minh Ha GV Hoa Vu Thi Bich Hoa
Chemistry
10th Grade
Used 180+ times

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75 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa là một số đại số đặc trưng cho đại lượng nào sau đây của nguyên tử trong phân tử?
A. Hóa trị
B. Điện tích
C. Khối lượng
D. Số hiệu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất thì tổng số oxy hoá của các nguyên tố bằng
A. 0
B. 1
C. 2
D. 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biến thiên enthalpy chuẩn có kí hiệu chính xác nhất là :
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng thu nhiệt có:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. chất oxi hóa.
B. chất khử.
C. chất tạo môi trường.
D. chất khử và môi trường.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kí hiệu của nhiệt tạo thành chuẩn là
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