What is the primary focus of redox reactions?
Redox Reactions: Crash Course Chemistry

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Chemistry, Science
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11th Grade - University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formation of acids
Energy absorption
Electron transfer
Swapping protons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which mnemonic helps remember the definitions of oxidation and reduction?
OILRIG
CO2
NACL
H2O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of redox reactions, what does 'reduction' mean?
Gain of electrons
Loss of electrons
Decrease in mass
Formation of oxygen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to track electrons in redox reactions?
To understand energy flow
To balance chemical equations
To determine electron gain and loss
To measure temperature changes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What analogy is used to describe covalent bonds in the video?
A sports game
A marriage
A business transaction
A cooking recipe
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of a monatomic ion?
Always zero
Always negative
Always positive
Equal to its charge
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element typically has an oxidation state of -2?
Oxygen
Fluorine
Hydrogen
Nitrogen
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