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Question

A salt bridge :

A
is not used in a galvanic cell
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B
completes the circuit
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C
increases the rate of reaction
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D
provides an easy handle to carry the cell
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E
None of these
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Solution

The correct option is D completes the circuit
A salt bridge completes the circuit.

A salt bridge connects two half cells. It helps in flow of ions between two half cells. Thus, a salt bridge maintains electrical neutrality.

Hence, the correct option is B.

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