• Question: do you think class 5 vapours exist

    Asked by candyllama360 to Wil on 8 Mar 2017.
    • Photo: Wilhelmiina Toivo

      Wilhelmiina Toivo answered on 8 Mar 2017:

      I’m really sorry, I don’t know! I would have to ask my chemistry friends to be able to answer your question 🙂

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