Question

3. To protect tooth decay we are advised to brush our teeth regularly. What is the
nature of the tooth paste commonly used?
4. Which one is a stronger acid, with pH = 5 or with pH = 2​

Answer 1

Answer:

pH=2

Explanation:

ph<7 becomes acidic

Answer 2

Answer:

tooth paste is basic in nature which neutralise excess of acid present in mouth.

pH 2 is more stronger than pH 5 as less the pH more the hydrogen ions concentration...