Question

what does one mean by exothermic and endothermic reaction? Give example​

Answer 1

A chemical reaction in which heat is given out is known as exothermic reaction. For example

Endothermic Reaction: A chemical reaction in which heat energy is absorbed is known as endothermic reaction. For example

Answer 2

Exothermic Reaction: A chemical reaction in which heat is given out is known as exothermic reaction. For example

c2 + o2 ---------> co2 + heat

Endothermic Reaction: A chemical reaction in which heat energy is absorbed is known as endothermic reaction. For example

n2 + o2 ---------> no2