You are presented with the question "What can be learned from heating a liquid?" and the following answer choices: 
- The bending of a ray of light
 - When it becomes a gas
 - chemical equations
 - When it becomes a solid
 - kinetic energy
 - When its mass increases
 - When it condenses
 - matter vibrating

Now knowing that heating a liquid can be used to identify that liquid 's boiling point and boiling is the conversion of a liquid to a gas, choose the best answer.


 

  When it becomes a gas       