
Đề cương ôn tập hóa học GK2
Quiz
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Science
•
University
•
Easy
Danh Trần
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72 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
+2, +4.
-2, -4.
+4,+6.
-4, +6.
2.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Lựa chọn những chất có chứa nguyên tử có số oxi hóa -1 .
KF
ZnS
CaH2
KClO3
FeBr3
3.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Lựa chọn những chất có chứa nguyên tử có số oxi hóa +2 .
CO
Na2O
Zn3(PO4)2
FeI2
Na2[Zn(OH)4]
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Số oxi hóa của Al trong hợp chất AlCl4- là
+4.
+3.
-3.
-4.
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quá trình Cl2 → Cl- là quá trình
khử.
oxi hóa .
tự oxi hóa khử.
nhận proton.
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cho các chất sau: Cl2, HCl, NaCl, KClO3, HClO4; số oxi hóa của nguyên tử trong các hợp chất trên lần lượt là
0; +1; +1; +5; -7.
0; -1; -1; +5; +7.
1; -1; -1; -5; -7.
0; +1; +1; +5; +7.
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hợp chất nào sau đây có số oxi hóa của S là –2 ?
FeSO4.
Na2S.
SO2.
H2SO3.
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