Try these

1. What is triple point with water?
2. What contains opiorphin?
3. Hottest recorded temperature – which town?
4. Only metal liquid at room temperature?
5. Planet discovered by calculation, not observation?
6. Only letter missing in the Periodic Table?
7. What’s unusual about 2010 TK7?

3 comments for “Try these

  1. Mark in Mayenne
    July 8, 2019 at 18:54

    1)Where ice, water and steam are in dynamic equilibrium. Don’t know the temperature, pressure offhand.

    4)Mercury

    5) Pluto?

  2. Distant Relative
    July 8, 2019 at 19:23

    3. If that happened last week it was over here 114 degrees. Can’t remember the name.
    5. Neptune
    6. J

  3. July 8, 2019 at 19:34

    MiM 1 and 4; DR 5 and 6 good.

    2. Saliva;
    3. Was in Libya, forget town name;
    7. Asteroid in same orbit as earth.

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