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Question

........................... requires a salt bridge.

A
Voltaic cell
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B
Electrolytic cell
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C
Geiger counter
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D
pH meter
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E
Calorimeter
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Solution

The correct option is A Voltaic cell
A Voltaic cell (or galvanic cell) requires a salt bridge.
The salt bridge provides an electrical contact between two solutions and thereby completes the electrical circuit. The salt bridge maintains electrical neutrality in both the solutions by flow of ions.

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