
Redox Reactions and Balancing Techniques
Interactive Video
•
Chemistry, Science
•
10th - 12th Grade
•
Medium

Aiden Montgomery
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What mnemonic device can help you remember the process of oxidation and reduction?
CO2 is carbon dioxide
NaCl is salt
LEO the lion goes GER
H2O is water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of hydrogen in its ionic form?
+2
-1
+1
0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example discussed, which element was reduced?
Chlorine
Oxygen
Manganese
Hydrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of a reducing agent in a chemical reaction?
It gains electrons
It loses electrons
It causes another substance to be oxidized
It causes another substance to be reduced
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When balancing redox reactions, what must be equal on both sides of the equation?
Number of compounds
Number of electrons
Number of molecules
Number of atoms
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the long method of balancing redox reactions, what is the first step?
Separate into half-reactions
Add coefficients
Combine half-reactions
Balance charges
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shortcut method for balancing redox reactions primarily based on?
Balancing molecules
Balancing charges
Balancing compounds
Balancing atoms
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