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:In a discharge tube; most of the gas is pumped out…If a gas is excited by high voltage to produce…When an animal has a dark-coloured dorsal surface…When ammonium chloride is dissolved in water in a…A loaded test-tube which floats upright in water is…