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Why is care needed while mixing a strong base with water?

Answer and explanation

Correct answer: Heat may be released during dissolving

The governing concept is the exothermic nature of dissolving many strong bases. When a strong base such as sodium hydroxide dissolves, hydration of its ions releases heat. If the solid is added rapidly or water is added carelessly, the solution may heat suddenly and splash corrosive material. Therefore the substance should be added slowly with suitable protection. It does not normally freeze, become an acid, or convert water into oxygen. Option A is correct.

Related tags

Strong BaseExothermicLab SafetyAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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