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Explain Why the Ph in a Person'S Mouth Becomes Lower After Each Meal. - Concept of Ph Scale

 Explain why the pH in a person's mouth becomes lower after each meal.

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Solution

After each meal, sugar present in the food is broken down into acids by the bacteria present in the mouth. Acids have a pH less than 7, and as the acidity increases, the pH decreases. Thus, the pH in a person’s mouth becomes lower after each meal.

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