Q. 3 A3.6( 37 Votes )

Explain the following terms with examples.

Endothermic reaction

Answer :

Endothermic reaction: In endothermic reaction, heat is either absorbed from the surroundings or heat has to supplied from outside. It means an endothermic reaction needs or takes in heat to continue.


For example: When a solid ammonium chloride (NH4Cl) is dissolved into water, you will observe that the tube becomes colder.


NH4Cl (s) + H2O NH4Cl (aq) – Heat


In the above reaction, heat is absorbed from surroundings.


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