Question

Importance of PH in daily life.(stomach, Rain water, soil, tooth decay, Bee sting etc.)​

Answer 1

Answer:

pH change as the cause of tooth decay

Tooth decay starts when the pH of acid formed in the mouth falls below 5.5. This is because then the acid becomes strong enough to attack the enamel of our teeth and corrode it. This sets in tooth decay.

Answer 2

pH plays a very important role in our everyday life. 1. In our digestive system :Hydrochloric acid produced in our stomach helps the digestion of food without causing any harm to the stomach. But when the amount of the acid goes beyond a certain limit due to indigestion, pain and irritation are created in the stomach.