Explain the importance of ph testing in everyday life?


pH is defined as the measure of hydrogen ion concentration which is used for measuring the acidity or alkalinity of a given solution.

Following is the equation that is used for calculating the pH:
pH = -log[H+]

Importance of pH testing in everyday life

  • 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.

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