DOL REC: Redox Reactions
Authored by Xiaotian Zhang
Chemistry
10th - 12th Grade
NGSS covered
Used 9+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The oxidation number of Br in BrF is equivalent to
0
-1
+1
-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A decrease in oxidation number.
more acidic
reduction
less basic
oxidation
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If an atom loses electrons during a chemical reaction, the atom was:
Tags
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is oxidation number of O in O2 ?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A substance that reduces another substance by losing its electrons is called an ____.
reducing agent
oxidation number
oxidizing agent
Answer explanation
For example O2
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