Question

1) why a milkman adds a very small amount of baking soda to fresh milk?
2) Discuss the importance of pH in daily life.​

Answer 1

to keep it fresh for longer time

Answer 2

1) By adding a very small amount of baking soda to fresh milk, themilkman keeps the milk unspoiled for little more time than usual time. As the pH value increases the milk turns to slightly alkaline, b) As baking soda is added, it turned into a base. But curd needs acidic condition to set.

2) pH plays a very important role in oureveryday life. 1. In our digestive system :Hydrochloric acid produced in our stomach helps the digestion of food without causing any harm to the stomach. ... So, in order to neutralize the effect of excess acid, a mild base called antacid is usually taken.