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…Which of these is observed when air is pumped out of…If a gas is excited by high voltage to produce…If the cross of a red-flowered plant with a white…When the pressure of the gas in a discharge tube is…