
ÔN TẬP CUỐI HK 2_HÓA 10
Quiz
•
Chemistry
•
10th Grade
•
Hard
Phạm HL)
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của Cl trong HClO3 ; HClO4 là
-5, +5
+3, -2
+5, +7
-2, -3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của S trong H2SO4 là
-6
+3
+6
-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của Mn trong KMnO4 là
-7
+3
+7
-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hệ số nhiệt độ Van’t Hoff được kí hiệu là
α
φ
θ
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của các nguyên tử Halogen là
ns2 np4
ns2 np5
ns2 np6
ns2 np3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong bảng tuần hoàn các nguyên tố hóa học, halogen thuộc nhóm
IA
IIA
VIIA
VIIIA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở điều kiện thường, halogen tồn tại ở thể rắn, có màu đen tím là
F2
Br2
I2
Cl2
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