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| Q. |
The process of dissolving an acid or a base in water is a highly - |
| A. | Exothermic reaction |
| B. | Endothermic reaction |
| C. | Sublimation reaction |
| D. | Redux reaction |
| Answer» A. Exothermic reaction | |
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Explanation: The process of dissolving an acid or a base in water is a highly exothermic one. This is why care must be taken while mixing concentrated nitric acid or sulphuric acid with water. |
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