Question

2. An aqueous solution turns red litmus solution blue. Excess
addition of which of the following solution would reverse the
change?
(a) Baking powder
(b) Lime
(c) Ammonium hydroxide solution
(d) Hydrochloric acid​

Answer 1

Answer:

The aqueous solution is a base as it turns red litmus solution blue. An acidic solution such as hydrochloric acid would reverse the change.