Question

when blue Litmus is added to a solution of Acetic Acid it turns red what change or changes will be observed when excess of Sodium Hydroxide is added to it ?​

Answer 1

when sodium hydroxide is added to the solution of acetic acid it first become neutral.Adding excess amount of base (NaOH) makes the solution basic as NaOH is a strong base which changes the colour of litmus paper from red to blue. The nature of the solution changes from acidic to basic.