write full form of PH and importance of PH in daily life? give reason why does tooth decay start when pH of mouth is lower than 5.5
Answers
it is a range , that is 0-14 . 7 is normal. above 7 is base and below 7 is acids .
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Answer:
Ans. Full form ph is potential of hydrogen.
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.
When the pH in the mouth falls below 5.5, tooth decay starts. Bacteria present in the mouth produce acid by degradation of sugar and food particles which remain in the mouth after eating. The acid produced in the mouth attack the enamel thereby, creating tooth decay.