Question

Indiscriminate disposal of used fluorescent electric lamps causes mercury pollution in the environment. Why is. mercury used .in the manufacture of these lamps ?

(a)      A mercury coating on the inside of the lamp makes the light bright white

(b)      When the lamp is switched on, the mercury in the lamp causes the emission of ultra-violet radiations

(c)      When the lamp is switched on, it is the mercury which converts the ultra-violet energy into visible light

(d)      None of the statement given above is correct about the use of mercury in the manufacture of fluorescent lamps

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Answer 1

Answer:

the correct answer is that option A

Explanation:

mercury is a silver coloured liquid.it is liquid in room temperature mercury was very harmful.it is used in bulbs because for a bright white light