Question

1 Write fullform of pH
Give reason why does tooth decay
lower than 5.5
न? वह तार जातीजिए जो सोलिासरलाटलान
2 Find the temperature
Fahrenheit scale of temperature​

Answer 1

Answer:

When the pH in the mouth falls below 5.5, tooth decay starts. Bacteria present in the mouth produce acid by degradation of sugar and food particles which remain in the mouth after eating. The acid produced in the mouth attack the enamel thereby, creating tooth decay.

Explanation:

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Answer 2

1. pH doesn't have a full form

pH - potenz in German

which means power

pH is a scale for measuring hyrodgen ion concentration using pH scale

excessive content of acid will release and tooth decay will start(depends on food we eat)