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Acid should be added to water but not water to the acid. Why? |
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Answer» 1. The dissolving of an acid or base in water is an highly exothermic process. Care must be taken while mixing concentrated HNO3 or concentrated H2SO4 with water. 2. The acid must always be added slowly to water with constant stirring. 3. If water is added to a concentrated acid, the heat generated may cause the mixture to splash out and cause bums. 4. The glass container may also break due to excessive local heating. |
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