Which gas produces a pink coloured light in a discharge tube? by Sunday | Nov 8 | Physics JAMB | 0 comments A. Mercury B. Argon C. Air D. Neon Correct Answer: Option C – Air Users Also Read These:If the cross of a red-flowered plant with a white…When ammonium chloride is dissolved in water in a…Which of the following sets of coloured light is/are…Which of these is observed when air is pumped out of…In a discharge tube; most of the gas is pumped out…