Question

What happens when an acid or a base is added to the water Why does the beaker appear warm Why should we always add acid or base to the water and not water to the acid or base.

Answer 1

acid or base reaction with water is highly exothermic

Answer 2

Daniel acid or base is added to water an exothermic reaction takes place which produces lot of heat. We should always add acid or base to water and not water to the acid because if water is added to a concentrated acid then the heat generated may cause the mixture to Splash out and cause once also the glass container may also break due to excessive local heating.