An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?
  1. Baking powder
  2. Lime
  3. Ammonium hydroxide solution
  4. Hydrochloric acid

Correct Answer: (d) Hydrochloric acid

Explanation:  Hydrochloric acid solution turns red litmus to blue. On adding excess it reverses the effect.

Updated on: 10-Oct-2022


Kickstart Your Career

Get certified by completing the course

Get Started