• Question: how to you test hydrogen

    Asked by @mrit to Rik on 16 Mar 2015.
    • Photo: Rik Allen

      Rik Allen answered on 16 Mar 2015:

      Turns out the “pop” you get from exploding hydrogen is a reasonable test – so long as there isn’t too much of it. It also doesn’t affect litmus paper (does not form H+ or OH- ions), and doesn’t smell.