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Question

A bulb is observed to glow when lemon juice is used as an electrolyte in a circuit. Why does it seem to glow dimmer, when honey is added to it?

A
Charges in lemon juice get absorbed by honey
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B
Addition of honey increases conductivity
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C
Charges in honey get absorbed by lemon juice
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D
Addition of honey decreases conductivity
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Solution

The correct option is D Addition of honey decreases conductivity
Lemonade has citric acid in it. This dissociates into ions which facilitate the conduction of electricity.
On the other hand, honey doesn't have any ions in it. Thus, when honey is added to the lemonade, the conductivity of the solution decreases, which is why, the bulb glows dimmer.

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