1. Class 10
  2. Chapter 2 Class 10 - Acids, Bases and Salts
  3. MCQs from NCERT Exemplar
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Question 13 - MCQs from NCERT Exemplar - Chapter 2 Class 10 - Acids, Bases and Salts

Last updated at Dec. 16, 2024 by Teachoo

To protect tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is

(A) acidic

(B) neutral

(C) basic

(D) corrosive

 

Answer

  • Tooth decay is caused due to the acids produced by bacteria which degrade the enamel.
  • In order to prevent this, we use toothpastes containing base in them so that this neutralize the acids produced by bacteria 

 

So, the correct answer is (c) basic

  1. Class 10
  2. Chapter 2 Class 10 - Acids, Bases and Salts

    3. MCQs from NCERT Exemplar

    Chapter 3 Class 10 - Metals and Non-Metals →
Chapter 3 Class 10 - Metals and Non-Metals →
Class 10
Chapter 2 Class 10 - Acids, Bases and Salts

About the Author

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo