ON TAP GIUA KI 2 SO 1
10th Grade
•30 Qs
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ON TAP GIUA KI 2 SO 1
Quiz
•
Science
•
10th Grade
•
Medium
Van Nguyen
Used 3+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của H trong NaH, CaH2, BaH2 lần lượt là
+1, +1, +1.
-1, -1, -1.
0, 0, 0.
-1, +1, 0.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của O trong O2, Na2O, Na2O2, NaOH lần lượt là
0,-2, -1, -2.
0, -2, -2, -2.
-2, -2, -2, -2.
0, -1, -1, -2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của O trong H2O, H2O2, OF2 lần lượt là
0, -2, -1.
-2, -1, +2.
-2, -2, -2.
0, -1, +2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của S trong H2S, S, SO2, H2SO4 lần lượt là
-1, 0, +1, +3.
-2, 0, +4, +6.
-2, 0, +2, +6.
+2, 0, +4, +6.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của N trong NH3, N2, N2O, NO, NO2 lần lượt là
-3, 0, +1, +2, +4.
-3, 0, +2, -2, +4.
-3, 0, 0, +2, +4.
-3, +1, +1, +2, +4.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của S trong SO32-, HSO3-, SO42- và HSO4- lần lượt là
+4, +4, +6, +6.
-2, -1, -2, -1.
+4, +4, +4, +4.
+6, +6, +6, +6.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số oxi hóa của Cl trong Cl-,ClO-, ClO2-, ClO3-, ClO4- lần lượt là
-1, -1, -1, -1, -1.
-1, +1, +2, +3, +4.
-1, +1, +3, +5, +7.
0, +1, +2, +5, +7.
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