You are presented with the quiz "What does gasoline release when it separates?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "evaporation can be used for separating a solute from a solvent in a solution" and "gasoline, paints and solvents evaporate, releasing reactive organic compounds". 

So, what's the best answer to the question?


 

   Organic compounds        