The bulb does not glow if the electrodes are immersed in __________ .

sodium chloride solution

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sodium hydroxide solution

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pure water

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tap water

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Solution

The correct option is C pure water
Charged particles are not present in pure water and hence cannot conduct electricity.
Sodium chloride solution, sodium hydroxide solution and tap water contains charged particles. This results to formation of ions in the electrolyte making it conductive.

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