Question

While diluting an acid, why is it recommended that the acid should be added to water and notwater to the acid?

Answer 1

because if we add water to acid,the whole acid tries to react with the small amt.of water,which resulting in vigorous exothermic reaction,which may give us injuries

Answer 2

When an acid is dissolved in water it is exothermic reaction. The acid must always added slowing in water if water is added to a concentrated acid , the heat generated can cause fire which can lead to breakdown of glass container due to excessive heat.