The acid must always be added to water with constant stirring because the process is highly exothermic and it can be dangerous. Therefore, the assertion is correct but the reason is incorrect.
1.Acid is thoroughly diluted with water before being added.
2.It should be introduced very gradually while being stirred continuously.
3.Acid addition to water is a highly exothermic reaction, releasing a lot of heat in the process.
4.The heat produced by the stirring is absorbed by the water, making the situation safer.
5.The amount of ions in a given volume are more concentrated when an acid and water are combined. However, it has nothing to do with continuously swirling acid into water.
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