Multiple Choice
In a redox reaction, what happens to a substance when it is oxidized, and what happens when it is reduced?
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6. Chemical Quantities & Aqueous Reactions
Redox Reactions
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Which type of reaction involves the removal of electrons from an atom or molecule?
A
Oxidation
B
Reduction
C
Precipitation
D
Neutralization
Verified step by step guidance1
Understand the definitions of the key terms involved: Oxidation, Reduction, Precipitation, and Neutralization.
Recall that oxidation is defined as the loss of electrons by an atom or molecule during a chemical reaction.
Recognize that reduction is the gain of electrons, which is the opposite of oxidation.
Note that precipitation involves the formation of a solid from a solution, and neutralization is a reaction between an acid and a base to form water and a salt; neither involves electron transfer.
Conclude that the reaction type involving the removal of electrons from an atom or molecule is oxidation.
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