• Question: why does gas smell

    Asked by anon-186548 to Verity, Trystan, Raquel, Danny, Catherine, Andy on 13 Nov 2018.
    • Photo: Danny Ward

      Danny Ward answered on 13 Nov 2018:

      Some gases smell because of the compounds within them. Most unpleasant gas smells are because they contain sulfur-containing compounds which smells like rotten eggs. We add a nasty smelling compound called mercaptan to natural gas you can buy at the store or for bunsen burners. This is for safety….if there is a gas leak, you will be able to smell it 👃

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