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Heat is released when acid and water are mixed. What type of process is it?

Answer and explanation

Correct answer: Exothermic

The governing concept is the energy change of a process. A process that releases heat to its surroundings is called exothermic, so the described mixing of acid and water is an exothermic process and option A is correct. An endothermic process absorbs heat rather than releasing it. Decomposition means one compound breaks into simpler substances, and precipitation means formation of an insoluble solid; neither definition fits the observation.

Related tags

Acids Bases SaltsExothermic ProcessAcid DilutionEnergy ChangeClass 10 ScienceAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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