I'm also not sure why a corkscrew is "ironically" not invented in France. Corkscrew isn't a french word. Cork isn't. Screw isn't. That clue makes no sense.
Lastly, are you sure sugar isn't the top ingredient in Coke? :)
It should be worded "Funnily enough" instead
Looking it up now, Google does define it as both - don't know whether that's because it has entered common use as a material or just that my lecturer was talking rubbish
invented by Newton and Leibniz"
A Scottish inventions and discoveries quiz would be great, as there are loads of them.