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Why does the risk of splashing increase when an acid is mixed with water very quickly?

Answer and explanation

Correct answer: Heat released during dissolving can build up rapidly

Diluting many concentrated acids is exothermic: hydration of ions releases heat. If water is poured rapidly into acid, the small amount of water can heat suddenly, boil locally, and eject acid droplets. Adding acid slowly to a larger quantity of water allows heat to spread more safely. The hazard is therefore rapid heat release and splashing, not gas formation, solidification, or colour change. Option A is correct.

Related tags

Acid DilutionLaboratory SafetyExothermic ProcessAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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