Q: Which greenish-yellow gas was discovered by Humphry Davy in 1810?
What is the answer?

A: chlorine

Q: Historically which royal figure was known as Farmer George?
What is the answer?

A: king george iii

Q: Who is the host of the Radio 4 programme Just a Minute
What is the answer?

A: nicholas parsons

Q: The American microbiologist Albert Bruce Sabin is noted for his invention of a vaccine, usually known by his name, for which once-common condition?
What is the answer?

A:
polio