
Phản ứng oxi hóa khử - P1
Authored by G3-5 2
Chemistry
10th Grade
Used 1+ times

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40 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Số oxi hóa của bromine trong KBr là
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Số oxi hóa của sodium trong NaCl là
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của sodium trong Na, NaCl lần lượt là
+1, 0.
0, +1.
+1, +1.
0,-1.
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Số oxi hóa của magnesium trong MgCl2 là
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của Ca trong Ca, CaSO4 lần lượt là
0, +2.
+2, 0.
0, 0.
+2, +2.
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Số oxi hóa của O trong MgO là
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của iron và chlorine trong FeCl3 lần lượt là
+3, +1.
+3,-1.
-1, +3.
+1, -3.
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