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Indiscriminate disposal of used fluorescent electric lamps causes mercury pollution in the environment. Why is mercury used in the manufacture of these lamps?
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- A mercury coating on the inside of the lamp makes the light bright white
- When the lamp is switched on, the mercury in the lamp causes the emission of ultra-violet radiations
- When the lamp is switched on, it is the mercury which converts the ultra-violet energy into visible light
- None of the statement given above is correct about the use of mercury in the manufacture of fluorescent lamps
Correct Option: B
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