Oxidation Numbers
Chemistry
11th Grade
NGSS covered
Used 1K+ times
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19 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the oxidation number of Fe in FeO?
Tags
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the oxidation number of O in CO2?
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the oxidation number of N in NO21- ?
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Identify the reaction type:
C2H5OH(l) + O2(g) --> CO2(g) + H2O(g)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A chemical reaction that involves a gain/loss of electrons is called:
Tags
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If in a reaction, copper is reduced; its number of electrons has:
Tags
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If an atom loses electrons during a chemical reaction, the atom was:
Tags
NGSS.HS-PS1-2
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