A different state of matter is produced. Some mass is converted to energy. Some form of light is given off. A new material is formed.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following is a characteristic of all chemical changes?
Possibilities:
- A different state of matter is produced.
- Some mass is converted to energy.
- Some form of light is given off.
- A new material is formed.

A new material is formed.