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If much heat is released while mixing acid with water, what is the safe method?

Answer and explanation

Correct answer: Add acid slowly to water

Diluting a concentrated acid with water is strongly exothermic. If water is poured rapidly into acid, the small amount of water can heat suddenly, boil, and eject corrosive acid droplets. The safe laboratory rule is to add acid slowly to a larger volume of water while stirring continuously and using suitable protection. This spreads the heat through the water. Therefore option A is correct; heating the acid or avoiding stirring increases danger.

Related tags

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

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