Question

write fullform of pH and important of pH and daily life?give reason why does tooth decay start when pH of mouth is lower than 5.5​

Answer 1

Explanation:

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Answer 2

Answer:

potential of hydrogen (PH)

importance of pH in daily life :

1.in our digestive system pH helps to digest the food without causing any harm to stomach.

but when the amount of the acid goes beyond a certain limit due to indigestion ,painand irritation are created in the stomach.

why does tooth decay start when........?

bacteria in the mouth create acids after eating through the oxidation of sugar and food particles in the mouth tooth decay starts when the mouth pH is below 5.5. since plaque cotes the teeth saliva cannot reach the tooth layer to neutralize the acid.