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In a chemical reaction, both heat and light are released. What type of reaction is it?

Answer and explanation

Correct answer: Exothermic reaction

The governing concept is the direction of energy transfer. In an exothermic reaction, the chemical system releases energy to its surroundings; that energy may appear as heat and, in some reactions, as light. Because both heat and light are released here, option A is correct. An endothermic reaction absorbs energy, while displacement and double-displacement describe reactant replacement patterns, not necessarily whether heat or light is released.

Related tags

ScienceClass 10Chemical ReactionsExothermic ReactionEnergy ChangeChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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