Class 10 Science
Class 10 science important questions with answers pdf
NCERT Solutions Class 10 Science
NCERT questions of science class 10
Important questions Science NCER
Class 10 Study 2022-2023
NCERT Class 10 Science
What is an exothermic reaction?
Share
when heat is given out during a chemical change it is called an exothermic change
When heat is produced during the reaction, it is called an exothermic reaction.