Fun with Bubbles

Bubbles are undoubtedly great fun, but do you know the chemistry behind some of their most famous behaviours? See if you can answer the questions below from St John’s Chemistry Tutor Professor Richard Compton and his research group.

Q: There are plenty of videos online where people trigger explosions by adding Mentos to Coke. How does this work?


Q: Why do bubbles go down in Irish stout and up in cola? 

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