
Exploring Oxidation and Reduction
Authored by Kosuru Eswar Achari
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10th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation state of sulfur in H2SO4?
+6
+2
+4
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the oxidation state of nitrogen in NH3.
-3
-1
+3
+1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a redox reaction, what happens to the oxidation state of the reducing agent?
The oxidation state of the reducing agent fluctuates.
The oxidation state of the reducing agent remains the same.
The oxidation state of the reducing agent decreases.
The oxidation state of the reducing agent increases.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation state of chlorine in NaCl?
+1
-2
0
-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define a redox reaction.
A redox reaction is a process that only involves the formation of new compounds.
A redox reaction is a reaction where only one species is oxidized without any reduction occurring.
A redox reaction is a type of reaction that does not involve any electron transfer.
A redox reaction is a chemical reaction involving the transfer of electrons, resulting in oxidation and reduction of species.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of an oxidizing agent in a redox reaction?
The oxidizing agent donates electrons to another substance.
The role of an oxidizing agent is to accept electrons and cause the oxidation of another substance.
The oxidizing agent is reduced during the reaction.
The oxidizing agent increases the oxidation state of itself.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the oxidizing agent in the reaction: 2Mg + O2 → 2MgO.
O2
MgO
Mg
H2O
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