What
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exathermic and endothermic reactions
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Exothermic reactionsare those reactions in which heat is released. For example, formation of ammonia from nitrogen and hydrogen is anexothermic reaction. Endothermic reactions are those reactions in which heat is absorbed. For example, dissociation of ammonia into nitrogen and hydrogen is an endothermic reaction.
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Answer:
the reaction in which heat is evolved are known as exothermic reaction.
exam.... C+ O2 makes CO2+ heat
the reaction in which heat is absorbed is called endothermic reaction
exam.... N2+O2 + heat makes NO
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