
SỐ OXI HÓA
Authored by Khánh Vũ
Chemistry
8th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong hợp chất CH4, số oxi hóa của C là:
-4
-2
+2
+4
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong hợp chất N2O, số oxi hóa của N là:
-1
+3
+2
+1
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số oxi hóa của S trong các chất H2S, SO3, S lần lượt là:
+2, -6, +1
-2, +6, 0
+2, +6, -1
-2, -6, 0
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong hầu hết các hợp chất, H luôn có số oxi hóa là
+2
-2
+1
-1
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong hầu hết các hợp chất, O luôn có số oxi hóa là
+2
-2
+1
-1
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong hợp chất MnO2, số oxi hóa của Mn là:
+4
-4
+2
-2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Xác định số oxi hóa của P trong hợp chất H3PO4
+7
-7
+5
-5
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