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प्रश्न
Why is water not added to concentrated \[\ce{H2SO4}\] in order to dilute it?
उत्तर
To dilute cone. \[\ce{H2S04}\] water is not used, but acid is introduced to water in a regulated manner. If water is introduced to the acid, the temperature rises dramatically, and the acid, which is in bulk, tends to shoot out with disastrous consequences.
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