REDOX Reactions
Authored by Carli Timm
Chemistry
10th - 12th Grade
NGSS covered
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is calcium oxidized or reduced in the following reaction?
2 CaO--> 2 Ca + O2
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reduction is the ___________ of electrons.
loss
gain
sharing
transfer
Tags
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following represents oxidation?
C → CH4
Fe3+ → Fe2+
Cl2 → 2Cl-
Zn → ZnO
Tags
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In the reaction Zn + 2HCl --> ZnCl2 + H2
which element, if any, is oxidized?
Zinc
Hydrogen
Chlorine
None
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If in a reaction, copper is reduced; its number of electrons has:
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If an atom loses electrons during a chemical reaction, the atom was:
Tags
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What substance is oxidized in the following reaction?
4Fe + 3O2 --> 2Fe2O3
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-1
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