A chemical change occurs when one substance combines with others to form a new substance. The changes in which the heat is released are known as exothermic changes and in which the heat is absorbed by the substances, those are classified as the endothermic reactions.
Answers & Comments
Answer:
A chemical change occurs when one substance combines with others to form a new substance. The changes in which the heat is released are known as exothermic changes and in which the heat is absorbed by the substances, those are classified as the endothermic reactions.
Explanation:
sana po makatulong,pa brainliest nadin po