what happens when methane is passed over red hot silica tube?? Share with your friends Share 0 Harsh Vardhan answered this When methane is passed through a quartz (SiO2) tube at 1200 °C there is ~95% conversion to carbon (as soot) and hydrogen: CH4 →Δ→ C + 2H2 5 View Full Answer Sambit Mallick answered this I think harsh is right 1 Mehak answered this I think it is possible 1 K.chandu Mahesh answered this Please find this answer 0 K.chandu Mahesh answered this Jjjj 0 Samarup Bhattacharya answered this -3 0