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Which statement about concentration cells is correct?

A.
Concentration cells have different electrodes.
B.
Concentration cells have different solutions but with the same concentration level.
C.
Concentration cells have high voltages when the concentration levels are the same.
D.
Concentration cells have the same substance for both anode and cathode.

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Answer:

Concentration cells have the same substance for both anode and cathode.

Explanation:

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The correct statement about concentration cell is concentration cells have the same substance for both anode and cathode. The correct option is D.

What is anode and cathode in a cell?

Anode is the negative terminal of the cell in which the electrons are released or reduced.

The cathode is the positive terminal where the electrons are accepted, here oxidation occurs.

Thus, the correct option is D. Concentration cells have the same substance for both anode and cathode.

Learn more about anode and cathode

https://brainly.com/question/4052514

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