NCERT Question 1 (MCQ) - Chapter 2 Class 10 - Acids, Bases and Salts

Last updated at April 16, 2024 by

A solution turns red litmus blue, its pH is likely to be

(a) 1          (b) 4            (c) 5                (d) 10

 

Answer:

(d) 10

 

Explanation- 

We know that, In acidic medium, red litmus doesn't change colour. In a basic medium, red litmus turns blue.In a neutral medium, red litmus doesn't change colour.Since the solution turns red litmus blue, it is basic and pH of a basic medium > 7.

Therefore, (d) is correct.

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