Which of the following is present inside the fluorescent tube ?
A. Argon and neon
B. Argon and CO2
C. Mercury vapour
D. Helium and oxygen
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Answer: C
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Which of the following is present inside the fluorescent tube ?
A. Argon and neon
B. Argon and CO2
C. Mercury vapour
D. Helium and oxygen
Answer: C
Share your understanding of this question with the correct explanation.