Redox Reactions
Flashcard
•
Chemistry
•
9th - 10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a redox reaction?
Back
A redox reaction is a chemical reaction that involves the transfer of electrons between two species, resulting in the oxidation of one and the reduction of another.
2.
FLASHCARD QUESTION
Front
What does oxidation mean in a redox reaction?
Back
Oxidation refers to the loss of electrons by a substance, leading to an increase in its oxidation state.
3.
FLASHCARD QUESTION
Front
What does reduction mean in a redox reaction?
Back
Reduction refers to the gain of electrons by a substance, leading to a decrease in its oxidation state.
4.
FLASHCARD QUESTION
Front
In the reaction 4Fe + 3O2 -> 2Fe2O3, which substance is oxidized?
Back
Iron (Fe) is oxidized.
5.
FLASHCARD QUESTION
Front
In the reaction 2Ca + O2 -> 2CaO, what happens to calcium?
Back
Calcium is oxidized.
6.
FLASHCARD QUESTION
Front
What is the role of oxygen in most redox reactions?
Back
Oxygen often acts as an oxidizing agent, accepting electrons from other substances.
7.
FLASHCARD QUESTION
Front
What is an oxidizing agent?
Back
An oxidizing agent is a substance that causes oxidation by accepting electrons from another substance.
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