33. pH has a great importance in our daily life" explain by giving three example
Answers
Answer:
(i)Tooth decay start when the pH of mouth is lower than 5.5. ... Tooth enamel gets corroded when the pH in mouth is below 5.5.
(ii) pH is our digestive system: (HCl) Hydrochloric acid is produced by our stomach that helps in the digestion of food.
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Explanation:
In the human body, all the physiological reactions take place in the pH of 7-7.8. pH is very important in our digestive system.
In the stomach, hydrochloric acid is secreted as food enters the stomach. It turns the pH of the stomach between 1 and 3.
This pH is important for the activation of the enzyme pepsin, which helps in the digestion of protein in food.
When the pH of the mouth falls below 5.5. Our tooth starts decaying.
Tooth powder and toothpaste which are used for cleaning of teeth are basic in nature.