While diluting an acid, adding water to the acid is an exothermic process results in release of so much heat
Type 1 for true and 0 for flase
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Solution
If you add water to acid it forms an extremely concentrated solution of acid initially. So much heat is released that the solution may boil very violently, splashing concentrated acid out of the container and all this because the reaction is exothermic. ... So it is always safer to add acid to water, and not water to acid.