While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?

Question 4. While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?
Answer: The process of adding water to an acid is highly exothermic. If it is not done in the proper way then may the mixture splash out and causes serious burns. Therefore it is recommended that acid should be added to water carefully.