Question

what do you mean by endothermic and exothermic reaction?​

Answer 1

Endothermic rxn : absorbs the heat. means rxn doesnt produce heat. most of

decomposition rxn are endothermic

for eg: 2Hgo+heat---------->2Hg+O2

EXOTHERMIC RXN: this rxn produces heat .most of the combination rxn are exothermic.For eg :

cao +h2o------>ca(OH)2 + heat

Answer 2

HeYa❤️...

Answer:

Exothermic Reaction:

The chemical reaction in which heat is released.

Endothermic Reaction:

The reaction in which heat is required in breaking the reactants.

I hOpe It HeLpS Ya!

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