Problem: Which (liquid) foodstuff has the chemical formula CH3COOH?
======
A: vinegar

Q: What is the Swedish name of the official who acts for the private citizen in complaints against the government?
A: ombudsman

Problem: A two-wheeled self-powered and self-balancing vehilce unveiled in 2001 is called what?
Answer: segway

Q: The shortest ever entry in the history of what competition came from Finland in 2015?
-----
A: eurovision song contest

Q: What is the largest moon of Pluto?
What is the answer?

A: charon

Q: Not counting continents, what is the world's largest island?
What is the answer?

A:
greenland