Question
Differentiate Exothermic reaction and Endothermic reaction.

Answer

Exothermic reactionEndothermic reaction
1. The chemical reactions which take place with the evolution of heat energy are called exothermic reactions.1. The chemical reactions which take place with the absorption of heat energy a called endothermic reactions.
2. e.g. All combustion reactions are exothermic.2. e.g. Dissolution of glucose is the endothermic reaction.
3$N _2+3 H _2 \rightarrow 2 NH _3+$ Heat3. $2 NH _3+$ Heat $\rightarrow N _2+3 H _2$

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