A nice linguistic riddle

 

The following riddle is from the Russian Internet Linguistics Olympiad. Here is it

 

The formulae for chemical elements and their names are given below in mixed order:
C3H8, C4H6, C3H4, C4H8, C7H14, C2H2;
Heptene, Butine, Propane, Butene, Ethine, Propine.

  1. Match the formulae with their names. Explain your solution.
  2. Write the names of the elements with the following formulae: C2H4, C2H6, C7H12.
  3. Write the formulae for the following elements: Propene, Butane.

No knowledge of chemistry is required!

 

via: Tanya Khovanova’s Math Blog

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