Answer:
Chemical change
Explanation:
If two types of matter reacts or are combined and energy is given off, the type of change that might have occurred is a chemical change.
A chemical change is one in which a new kind of matter is formed.
It is always accompanied by energy changes.
The process is not easily reversible.
- When an exothermic reaction or change occurs, heat is released and it is a typical characteristic of chemical change.
