Question

a)Tooth enamel is one of the hardest substance in our body. Explain the
changes in pH of the mouth which indicate tooth decay. How does toothpaste help in preventing it.(b)What is the nature of the salt if the pH of its solution is greater than 7 ?Name the acid and base would be used to prepare the following salts :(i)Potassium sulphate(ii)Ammonium Chloride

Answer 1

I hope it will be a helpful !!!

Answer 2

Answer:

When the pH in the mouth is below 5.5 bacteria present in the mouth produce acids by degradation of sugar and corrode the tooth enamel. It can be prevented by using kinds of toothpaste that are generally basic.

Explanation:

Pls like and mark as brainliest