Chuyên gia oxi hóa khử
Authored by chung nguyen
Chemistry
10th - 12th Grade
Used 180+ times
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12 questions
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1.
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20 sec • 1 pt
Số oxi hóa của Fe trong Fe là:
2.
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20 sec • 1 pt
Số oxi hóa của O trong phân tử O2 là:
3.
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30 sec • 1 pt
Số oxi hóa của Fe trong phân tử Fe3O4 là:
4.
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30 sec • 1 pt
Số oxi hóa của N trong ion NH4+ là:
5.
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30 sec • 1 pt
Số oxi hóa của N trong ion NO3- là:
6.
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30 sec • 1 pt
Số oxi hóa của Ca trong phân tử CaCl2 là:
7.
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1 min • 1 pt
Số oxi hóa của Ba và N trong phân tử Ba(NO3)2 tương ứng là:
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