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What is the safe method for dissolving an acid in water?

Answer and explanation

Correct answer: Acid should be added slowly to water

The governing safety concept is controlled dilution of a concentrated acid. Dissolving acid in water releases heat, so adding acid slowly to a larger quantity of water while stirring allows the heat to disperse and reduces sudden boiling or splashing. Therefore option B is correct. Adding water to concentrated acid can cause the small water layer to heat rapidly and eject corrosive acid.

Related tags

Acid-DilutionLab-SafetyExothermic-ProcessAcids-BasesClass10AcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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