1. Class 10
  2. Chapter 2 Class 10 - Acids, Bases and Salts
  3. MCQs from NCERT Exemplar
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Question 17 - MCQs from NCERT Exemplar - Chapter 2 Class 10 - Acids, Bases and Salts

Last updated at Dec. 16, 2024 by Teachoo

Which one of the following can be used as an acid–base indicator by a visually impared student?

(A) Litmus

(B) Turmeric

(C) Vanilla essence

(D) Petunia leaves

 

Answer

 

For visually impaired students, we need an Olfactory indicator . Which smells different in acids and bases.

Vanilla essence can be used as an acid-base indicator by visually impaired students as it is an olfactory indicator whose odour changes in acidic or basic media.

 

So, the correct answer is (c) vanilla essence

  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