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Acids, bases and salt
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07/09/2021 12:47 pm
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(a) Explain why the pH in a person’s mouth becomes lower after each meal.
(b) What damage could be caused while the pH is low?
(c) How could the person change his eating habits to lessen chances of suffering from tooth decay?
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07/09/2021 12:48 pm
(a) The pH in a person’s mouth becomes lower after each meal because bacteria present in the mouth breaks down the sugar to form acids.
(b) If the pH is low, the tooth starts decaying.
(c) A person can lessen the chances of suffering from tooth decay by changing his eating habits such as eating less of sugary foods like ice-creams, candies, sweets etc.