ÔN TẬP SỐ OXI HÓA
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Medium
dung nguyễn
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SOXH của sắt, oxi, hiđro, natri trong Fe, O2, H2, Na lần lượt là
A. +3, -2, +1, +1.
B. 0, 0, 0, 0.
C. +2, -2, +1, +1.
D. +3, -2, 0,0.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SOXH của brom trong KBr là
0
+1
+2
-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SOXH của natri trong NaCl là
-1
+1
-2
+2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SOXH của magie trong MgCl2 là
+1
+2
-1
-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SOXH của Ca trong Ca, CaSO4 lần lượt là
0, +2.
+2, 0.
0, 0.
+2, +2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SOXH của nhôm trong Al, Al2O3 lần lượt là
0, +2.
0, +3.
+3, 0.
0, -3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SOH của F trong F2, HF và OF2 lần lượt là
0, 0, 0.
0, -1, -1.
-1, -1, -1.
0, -1, +1.
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