Question

difference between exothermic and endothermic reaction​

Answer 1

Exothermic Reaction: The reaction in which heat is given out is known as exothermic reaction.

eg. $\bold{Na + Cl \longrightarrow NaCl}$

Endothermic Reaction: The reaction in which heat is absorbed is knows as endothermic reaction.

eg. $\bold{H_{2} O \stackrel{\Delta }{\longrightarrow } H_{2} + O_{2} }$

Answer 2

Answer:

in endothermic the chemical energy is absorbed and in exothermic the chemical energy is given out