
Redox
Quiz
•
Chemistry
•
10th Grade - University
•
Medium
Standards-aligned
Cindy Faulk
Used 158+ times
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21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the reaction
2Ca(s) + O2(g) --> 2CaO(s), calcium is __________
Tags
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the oxidation number of Fe in FeO?
Tags
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is oxidation number of Cr in Cr2O72-?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is oxidation number of P in K3PO4?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is oxidation number of O in O2 ?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following elements does NOT have an oxidation number of +2?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What element always has an oxidation number of -1?
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