
K10-CG-ÔN TẬP HK2
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Đinh Thi Hồng Nhung
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51 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Thứ tự giảm dần tính oxi hóa của các halogen F2, Cl2, Br2, I2 là:
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Thành phần hóa học của nước Gia-ven gồm
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ứng dụng nào sau đây không phải của ozon?
Tẩy trắng tinh bột, dầu ăn
Chữa sâu răng
Sát trùng nước sinh hoạt
Điều chế oxi trong phòng thí nghiệm
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Trong công nghiệp clo được điều chế bằng cách nào sau đây?
F2 + 2NaCl → 2NaF + Cl2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cấu hình electron lớp ngoài cùng của các nguyên tố nhóm halogen (VIIA) là
ns2np3
ns2np6
ns2np5
ns2np4
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nhóm kim loại nào sau đây không phản ứng với H2SO4 loãng?
Cu, Ag, Hg
Hg, Au, Al
Al, Zn, Cu
Na, Mg, Au
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Trong các khí sau: F2, O3, SO2, O2, Cl2. Chất khí có màu vàng lục là:
O2
Cl2
SO2
O3
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