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Question

Generally, cathodes and anodes used in a simple voltaic cell are

A
Zn and Cu, respectively
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B
Zn and Mn, respectively
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C
Pb and Zn, respectively
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D
Cu and Pb, respectively
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Solution

The correct option is A Zn and Cu, respectively
A voltaic cell is an electrochemical cell that uses a chemical reaction to produce electrical energy. The important parts of a voltaic cell: The anode is an electrode where oxidation occurs. The cathode is an electrode where reduction occurs.Zn and Cu, respectively.Image result for Generally, cathodes and anodes used in a simple voltaic cell are

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