HardScience
Benzene ring with iron atoms replacing carbon atoms?
Riddle
Benzene ring with iron atoms replacing carbon atoms?
Choose an answer
A.Iron Circle
B.Steel Ring
C.Ferrous Square
D.A ferrous wheel
Hint: It's a 3-word phrase with 13 letters, starting with "A".
Answer
A ferrous wheel
Why this is the answer
A 'Ferrous Wheel' is a pun on 'Ferris Wheel' and the chemical term for iron (ferrous).
This riddle is filed under Science Riddles and rated Hard.