A common fluorescent tube contains ____________.
Options:
1) Argon vapour
2) Mercury vapour
3) Sodium vapour
4) Neon vapour
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heya friend
____________
here is your answer
_____________________
2) mercury vapour.
☺️hope it helpe you ☺️
____________
here is your answer
_____________________
2) mercury vapour.
☺️hope it helpe you ☺️
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